Marin-5 Operator's Manual - CETAC Technologies

Marin-5 Enhanced 

Nebulizer System 

Operator’s Manual

Product Warranty Statement 

SD Acquisition, Inc., DBA CETAC Technologies (“CETAC”), warrants 

any CETAC unit manufactured or supplied by CETAC for a period 

beginning on the date of shipment and ending on the sooner to occur of: 

(a) the date that is twelve (12) months from the date of installation, or 

(b) the date that is thirteen (13) months from the date of shipment. 

Units found in the reasonable judgement of CETAC to be defective in 

material or workmanship will be repaired or replaced by CETAC 

without charge for parts and labor. CETAC reserves the right to change 

or improve the design of any unit without assuming any obligation to 

modify any unit previously manufactured. 

This warranty does not cover any unit that has been subject to misuse, 

neglect, negligence, or accident. The warranty does not apply to any 

damage to the unit that is the result of improper installation or 

maintenance, or to any unit that has been operated or maintained in 

any way contrary to the instructions specified in the CETAC operator’s 

manual. Operation of the CETAC unit inside a laboratory fume hood is 

contra-indicated and will void the warranty. Any attempt to repair or 

alter any CETAC unit by anyone other than by CETAC authorized 

personnel or agents will void this warranty. If any non-CETAC 

component is installed in the CETAC manufactured unit without the 

approval of CETAC, the warranty will be voided. In addition, this 

warranty does not extend to repairs made necessary by the use of parts, 

accessories or fluids which are either incompatible with the unit or 

adversely affect its operation, performance or durability. CETAC’S 

obligation under this warranty is strictly and exclusively limited to 

repair or replacement of defective CETAC parts, and no claim of breach 

of warranty shall be cause for cancellation or recission of the contract of 

sale of any unit. 

The foregoing express warranty is in lieu of all other warranties, 

expressed or implied, including warranties of merchantability and 

fitness for a particular purpose. CETAC shall not be bound by any 

representations or statements on the part of its employees or agents 

whether oral or in writing and including any made in catalogues and 

other promotional material including technical details and 

specifications except where such representations and statements are 

expressly made part of this contract. CETAC assumes no responsibility 

for incidental, consequential or other damages, even if advised of such a 

possibility, including but not limited to loss or damage of property, loss 

of revenue, loss of use of the unit, loss of time, or inconvenience. 

CETAC’s liability on any claim for loss or damage arising out of the 

sale, resale or use of any of its products shall in no event exceed the 

selling price of the unit.

Purchaser shall indemnify CETAC against any claim or liability which 

may be asserted as relates to the following: (i) the use to which any 

product supplied hereunder is put infringes the patent, copyright or 

other intellectual property rights of any third party; or (ii) any liability 

resulting from the failure by Purchaser to observe the terms of this 

Warranty. 

Returned Product Procedures 

Claims for shipment damage (evident or concealed) must be filed with 

the carrier by the buyer. CETAC must be notified within ninety (90) 

days of shipment of incorrect materials. No product may be returned, 

whether in warranty or out of warranty, without first obtaining 

approval from CETAC. No replacements will be provided nor repairs 

made for products returned without such approval. Any returned 

product must be accompanied by a return authorization number. The 

expense of returning the unit to CETAC for service will be paid by the 

buyer. The status of any product returned later than thirty (30) days 

after issuance of a return authorization number will be subject to 

review. Shipment of repaired products will generally be made fortyeight 

(48) hours after the receipt. 

Products may not be returned which are contaminated by radioactive 

materials, infectious agents, or other materials constituting health 

hazards to CETAC employees. 

Returned Product Warranty Determination 

After CETAC’s examination, warranty or out of warranty status will be 

determined. If a warranted defect exists, the product will be repaired at 

no charge and shipped prepaid back to the buyer. If the buyer desires 

an air freight return, the product will be shipped collect. Warranty 

repairs do not extend the original warranty period. 

If an out of warranty defect exists, the buyer shall be notified of the 

repair cost. At such time the buyer must issue a valid purchase order to 

cover the cost of repair and freight, or authorize the products to be 

shipped back as is, at the buyer’s expense. Failure to obtain a purchase 

order number approval within fifteen (15) days of notification will result 

in the products being returned as is, at the buyers expense.

COPYRIGHT 

Copyright SD Acquisition, Inc., 

DBA CETAC Technologies 

480160 Version 1.2, March, 2010 

REPRODUCTION 

All rights reserved. Reproduction or 

transmission of this document in whole or 

in part, and by any means without the 

express written consent of the copyright 

owner or authorized agent is prohibited. 

Requests for additional copies of this, or 

any other CETAC publication, can be filled 

by contacting an authorized distributor or 

CETAC Technologies 

Customer Service & Support 

14306 Industrial Road 

Omaha, Nebraska 68144, USA 

Phone (800) 369-2822 (USA only) 

Phone (402) 733-2829 

Fax (402) 733-1932 

E-mail custserv@cetac.com 

DISCLOSURE 

This document contains CETAC 

proprietary data and is provided solely to 

its customers for their express benefit of 

safe, efficient operation and maintenance 

of the product described herein. Use or 

disclosure of CETAC proprietary data for 

the purpose of manufacture or 

reproduction of the item described herein, 

or any similar item, is prohibited, and 

delivery of this document shall not 

constitute any license or implied 

authorization to do so. 

SAFETY 

Instruments, accessories, components or 

other associated materials may not be 

returned to CETAC Technologies if 

contaminated with biohazard or 

radioactive materials, infectious agents, or 

any other materials and/or conditions that 

could constitute a health or injury hazard 

to CETAC employees. Call Customer 

Service and Support if there is any 

question or doubt relative to 

decontamination 

requirements. 

CAUTION and WARNING statements, as 

applied in this document, shall be 

interpreted consistent with the following 

context: CAUTION applies only to 

potential property damage conditions; 

WARNING applies to potential personal 

injury conditions, in combination with or 

exclusive of potential property damage. 

All user-serviceable components are 

specifically identified in this document as 

such; the balance shall be assumed to 

require the expertise of a factory service 

technician/engineer for adjustment, repair, 

replacement, modification, etc. Others not 

so qualified and performing these actions 

shall do so at their own risk. 

Furthermore, never operate the 

instrument without first reading and 

understanding the Aridus Desolvating 

Sample Introduction System Operator’s 

Manual and ensuring that it is operated 

safely and properly. 

WARNING 

REVISIONS 

CETAC Technologies strives to provide the 

scientific community with an unparalleled 

combination of effective technology and 

continuing value. Modular upgrades for 

existing instruments will continue to be a 

prime consideration as designs progress. 

CETAC Technologies reserves the right to 

revise this document and/or improve 

products described herein at any time 

without notice or obligation. Warranty 

registration entitles the named owner 

exclusively to manual change pages/new 

editions as they are published. 

ORIGINAL PACKAGING 

Retain original factory packaging for 

moves and factory return shipments. 

Shipping in anything other than the 

original fitted foam and container can 

result in incidental damage from which 

the purchaser will not be protected under 

warranty. 

Under all conditions the user must observe safe laboratory 

procedures during the operation of this product.

FEDERAL COMMUNICATIONS 

COMMISSION (FCC) NOTICE 

This equipment has been tested and found 

to comply with the limits for a Class A 

digital device, pursuant to Part 15 of the 

FCC Rules. These limits are designed to 

provide reasonable protection against 

harmful interference in a commercial 

installation. 

This equipment generates, uses, and can 

radiate radio frequency energy and, if not 

installed and used in accordance with the 

instructions, may cause harmful 

interference to radio communications. 

Operation of this equipment in a 

residential environment is likely to cause 

harmful interference, in which case the 

user will be required to correct the 

interference at his or her own expense. 

MODIFICATIONS 

The FCC requires the user to be notified 

that any changes or modifications made to 

this device that are not expressly approved 

by CETAC Technologies may void the 

user's authority to operate the equipment. 

CANADIAN NOTICE 

This digital apparatus does not exceed the 

Class A limits for radio noise emissions 

from digital apparatus as set out in the 

interference-causing equipment standard 

entitled "Digital Apparatus." ICES-001 of 

the Department of Communications. 

AVIS CANADIEN 

Cet appareil numerique respecte les 

limites de bruits radioelectriques 

applicables aux appareils numeriques de 

Classe A prescrites dans la norme sur le 

materiel brouilleur: "Appareils 

Numeriques," NMB-001 edictee par le 

ministre des Communications. 

POWER CORD SET REQUIREMENTS 

The power cord set supplied with your 

instrument meets the requirements of the 

country where you purchased the 

instrument. 

If you use the instrument in another 

country, you must use a power cord set 

that meets the requirements of that 

country. 

CABLES 

Connections to this device must be made 

with shielded cables with metallic 

RFI/EMI connector hoods to maintain 

compliance with FCC Rules and 

Regulations. 

AD-1

Operator’s Manual Addendum 

Notices and Compliance Declarations 

WARNING 

This equipment is designed for connection to a grounded (earthed) outlet. The 

grounding type plug is an important safety feature. To reduce the risk of 

electrical shock or damage to the instrument, do not disable this feature. 

CAUTION 

To reduce the risk of fire hazard and electrical shock, do not expose the unit to rain or 

humidity. To reduce the risk of electrical shock, do not open the cabinet. All maintenance 

is to be performed by an Authorized CETAC Service Provider. 

Protection provided by the equipment may be impaired if the equipment is used in a 

manner not specified by the manufacturer. 

CLEANING INSTRUCTIONS 

To clean the exterior surfaces of the instrument, complete the following steps: 

1 Shut down and unplug the instrument. 3 Repeat step 2, using a towel dampened 

with clear water. 

2 Wipe the instrument exterior surfaces 

only using a towel dampened with a 

lab-grade cleaning agent. 

4 Dry the instrument exterior using a dry 

towel. 

WARNING 

Do not allow any liquid to enter the instrument cabinet, or come into contact 

with any electrical components. The instrument must be thoroughly dry before 

you reconnect power, or turn the instrument on. 

COOLING FAN OBSTRUCTION 

The instrument cooling fan(s) shall remain unobstructed at all times. Do not operate the 

instrument if the cooling fan(s) are blocked or obstructed in any manner. 

ENVIRONMENTAL 

Operating Temperature: 10° to 30°C 

Relative Humidity 0% to 90%



AVERTISSEMENT 

POUR UNE PROTECTION CONTINUÉ 

CONTRE LES RISQUES D’INCENDIE, 

REMPLACER UNIQUEMENT PAR DES 

FUSIBLES DE MÊME TYPE ET 

AMPÈRAGE. 

AVERTISSEMENT 

TOUT CONTACT AVEC LES HAUTES 

TENSIONS PEUT ENTRAINER LA MORT 

OU DES BLESSURES SÉVÈRES. CE 

PANNEAU NE DOIT ÊTRE ENLEVE QUE 

PAR UN RÉPARATEUR QUALIFIÉ. 

AVERTISSEMENT 

NE PAS GLISSER LA MAIN SOUS OU DERIERE LES 

ECRANS THERMIQUES DU FOUR. GARDER LA 

PORTE D'ACCES AU DEVANT DU BOITIER BIEN 

FERMEE POUR ASSURER LA PROTECTION CONTRE 

LES BRULURES 

AVERTISSEMENT 






AVERTISSEMENT 





PAR UN RÉPARATEUR QUALIFIÉ.



OUVRIR LE COUVERCLE ET LAISSER 

REFROIDIR 5 MINUTES AVANT DE 

TOUCHER LA VERRERIE OU TOUTE 

SURFACE MÉTALLIQUE INTÉRIEURE. 

AVERTISSEMENT 






WARNING 

HIGH LEAKAGE CURRENT - 

ENSURE PROPER GROUNDING 

AVERTISSEMENT 

COURANT DE FUITE ÉLEVÉ — FORNIR 

UNE MISE À LA TERRE EFFICACE. 

AVERTISSEMENT 

POUR LA PROTECTION PERMANENTE 

CONTRE UN CHOC ÉLECTRIQUE, UNE 

BRÛLURE DES YEUX (RADIATION UV) 

OU DE LA PEAU, LAISSER LE 

COUVERCLE HERMÉTIQUEMENT 

FERMÉ LORSQUE L’APPAREIL EST SOUS 

TENSION. 

LAISSER REFROIDIR 5 MINUTES 

(APPAREIL ÉTEINT) AVANT D’ENLEVER 

LE COUVERCLE. 



AVERTISSEMENT 

COURANT DE FUITE ÉLEVÉ — FORNIR UNE MISE À 

LA TERRE EFFICACE. 

WARNING 

HIGH LEAKAGE CURRENT - 

ENSURE PROPER GROUNDING 

AVERTISSEMENT 

SURFACES CHAUDES, LAISSER LE 

COUVERCLE HERMÉTIQUEMENT 

FERMÉ. 

POUR ACCÉDER, METTRE LA 

TEMPÉRATURE DU FOUR À ZÉRO, 

AD-4



Attention – Allow the Marin-5 to cool for 30 

minutes. 

Attention – refer to the manual. This symbol 

indicates that information about usage of a 

feature is contained in the manual. 

WARNING 

If the Marin-5 is used in a manner not specified by CETAC 

Technologies, the protection provided the equipment may be impaired. 

WARNING 

The power switch on the rear panel is not the mains disconnect. 

Mains disconnect is accomplished by disconnecting the detachable 

power supply cord at the appliance coupler or at the mains plug. 

Ensure the power cord is easily accessible and removable, in the event 

of an emergency, which requires immediate disconnection. 

AD-5

Do not dispose in domestic household waste. 

The affixed label indicates that you must not 

discard this electrical/electronic product in 

domestic household waste, in compliance with 

the European Waste Electrical and Electronic 

Equipment Directive (WEEE, 2002/96/EC). 

For instructions on how to return end-of-life 

equipment, producer-supplied electrical 

accessories, or auxiliary items for proper 

disposal please contact the supplier or importer. 

In the event a supplier cannot be reached, 

contact CETAC Technologies customer service 

department at 1 (800) 369 2822 (USA only) or 

custserv@cetac.com. 

The CE mark is a registered trademark of the 

European Community. This CE mark shows that 

the product complies with all the relevant 

European Legal Directives. 

AD-6

Table of Contents

Marin-5 Operator’s Manual 

Contents 

Table of Contents 

Preface 

Who Should Read This Book 

How to Use This Book 

Conventions Used in This Book 

Instructions 

Terminology 

Notes 

Cautions 

Warnings 

Where to Go for More Information 

xii 

xii 

xii 

xiii 

xiii 

xiv 

xv 

xv 

xv 

xvi 

1 Introduction 1-2 

Marin-5 System Overview 1-3 

2 Preparing for Installation 2-2 

Unpacking the Marin-5 2-2 

Marin-5 Packaging 2-2 

Choosing a Location 2-3 

Space Requirements 2-3 

Power Requirements 2-3 

viii


Contents 

ICP-AES/ICP-MS Requirements 2-4 

Gas Requirements 2-4 

3 Installing the Marin-5 3-2 

Establishing External Connections 3-2 

Marin-5 Voltage Selection 3-2 

Connecting the Marin-5 to the Power Source 3-3 

Installing the Marin-5 Spray Chamber/ 

Glassware Assembly 3-4 

Connecting the Marin-5 to the ICP-AES or ICP-MS 3-8 

Connecting the Nebulizer 3-10 

Nebulizer Liquid Uptake Line 3-11 

Connecting the Marin-5 Drain Tubing 3-12 

4 Verifying Installation 4-2 

Initial Operating Procedure 4-2 

ICP-AES Operation 4-3 

ICP-AES Optimization 4-4 

ICP-AES/Marin-5 Optimization Procedure 4-4 

ICP-MS Operation 4-4 

ICP-MS Optimization 4-5 

ix


Contents 

ICP-MS/Marin-5 Optimization Procedure 4-5 

Introduction of Organic Solvents 4-6 

Additional Marin-5 Operating Items 4-7 

Nebulizer Port Adapter 4-7 

Tee Assembly for Sample Out Line 4-7 

5 Using the Marin-5 5-2 

Establishing Optimal Conditions 5-2 

Establishing the Laboratory Environment 5-2 

Replacing Marin-5 Components 5-3 

Startup Procedure 5-4 

Shutdown Procedure 5-4 

Temperature Controller Operation 5-5 

6 Maintaining the Marin-5 6-2 

Cleaning the Marin-5 6-2 

Daily External Cleaning 6-2 

Daily Internal Cleaning 6-3 

Maintaining the Concentric Nebulizer 6-4 

Main Fuse Replacement 6-4 

Rinse Procedure for the Marin-5 Glassware 6-5 

x


Contents 

Rinse Procedure for the Marin-5 Condenser 6-8 

Replacement of the Drain Pump Tubing 6-9 

Replacement of Broken Spray Chamber/ 

Glassware Assembly 6-10 

7 Troubleshooting the Marin-5 7-2 

Temperature Controller Problems 7-2 

Solution Drainage Problems 7-3 

Nebulizer/Plasma Problems 7-3 

Plasma Problems 7-5 

8 Specifications 8-1 

xi

Preface


Preface 

Preface 

The Marin-5 Operator’s Manual explains the procedures for installing, 

using, and maintaining the CETAC Marin-5 Enhanced Nebulizer 

System. It also provides information about troubleshooting Marin-5 

problems and describes the design of the system. 

Who Should Read This Book 

The primary audience for the Marin-5 Operator’s Manual consists of 

analytical chemists and lab technicians. To use this manual effectively, 

you should have a strong knowledge of chemistry, a basic knowledge of 

electronic sampling equipment, at least a beginning level of computer 

experience, and working knowledge of an inductively coupled plasma 

atomic emission spectrometer (ICP-AES) and/or an inductively coupled 

plasma mass spectrometer (ICP-MS). 

How to Use This Book 

The Marin-5 Operator’s Manual contains eight chapters. You should 

read the chapters sequentially the first time. Thereafter, refer to the 

chapters separately as needed. 

The Marin-5 Operator’s Manual contains the following chapters: 

Chapter 1, “Introduction,” provides you with an overview of the 

Marin-5 function and design. 

Chapter 2, “Preparing for Installation,” discusses space, power, and 

gas requirements that must be met before the Marin-5 is installed. It 

also provides instructions for unpacking the instrument and ICP-AES 

and/or ICP-MS requirements. 

xii


Preface 

Chapter 3, “Installing the Marin-5,” provides step-by-step 

procedures for installing the Marin-5 and connecting it to the analytical 

instrument. 

Chapter 4, “Verifying Installation,” explains initial operation of the 

Marin-5, ICP-AES and ICP-MS operation, and system optimization. 

Chapter 5, “Using the Marin-5,” describes the tasks you perform 

during daily operation of the Marin-5. 

Chapter 6, “Maintaining the Marin-5,” explains daily, weekly, and 

periodic maintenance tasks. 

Chapter 7, “Troubleshooting the Marin-5,” describes how to 

diagnose and correct minor Marin-5 and ICP-AES or ICP-MS problems. 

Chapter 8, “Specifications,” lists important Marin-5 technical details 

such as power requirements, dimensions and weight. 

Conventions Used in This Book 

This book uses certain conventions to distinguish different types of 

information easily. This section describes these conventions. 

Instructions 

All step-by-step instructions are numbered and in bold type, as in the 

following example. 

1 Mount the sample probe assembly on the cover... 

Many numbered instructions are followed by more detailed 

explanations. 

xiii


Preface 

Terminology 

This manual frequently uses the following terms: 

Marin-5 

ICP-AES 

ICP-MS 

Hz 

ID 

OD 

LED 

PEEK 

PFA 

PTFE 

PSI 

PVC 

Trademarks 

Enhanced Nebulizer System. 

An inductively coupled plasma atomic emission 

spectrometer. 

An inductively coupled plasma mass spectrometer. 

Hertz. 

Inside diameter. 

Outside diameter. 

Light-emitting diode. 

Polyetheretherketone. 

Perfluoroalkoxy 

Polytetrafluoroethylene. 

Pounds per square inch. 

Polyvinyl chloride. 

Teflon ® and Tefzel ® are registered trademarks of E.I. 

du Pont de Nemours. 

Tygon® is a trademark of Saint-Gobain Performance 

Plastics. 

VAC 

VDC 

Volts alternating current. 

Volts direct current 

xiv


Preface 

Notes 

Notes contain a reminder about the effect of particular actions. Notes 

are indicated as follows: 

Note: 

This example shows how a note is displayed. 

Cautions 

Cautions indicate situations that require immediate attention to 

prevent harm to the Marin-5 Enhanced Nebulizer System. Cautions are 

indicated as follows: 

CAUTION 

This example shows how a caution is displayed. 

Warnings 

Warnings indicate situations that could cause bodily harm. Warnings 

are indicated as follows: 

WARNING 

This example shows how a warning is displayed. 

xv


Preface 

Where to Go for More Information 

In addition to the Marin-5 Operator’s Manual, you can refer to the 

following resources: 

• Software and hardware manuals for the ICP-AES or ICP-MS 

instrument you are using. 

• CETAC Technologies Customer Service and Support: 

1 (800) 369-2822 (USA only) 

1 (402) 733-2829 

1 (402) 733-1932 (Fax) 

custserv@cetac.com 

xvi

1 

Introduction


Introduction 

Introduction 

The CETAC Marin-5 Enhanced Nebulizer System is designed primarily 

for ICP-AES and ICP-MS. The Marin-5 consists of a pneumatic 

nebulizer, a specialized heated spray chamber, and a dedicated 

desolvation apparatus. 

Sensitivity is improved with the Marin-5 by increasing analyte 

transport efficiency and reducing solvent loading to the plasma. 

Functionally, liquid sample is pumped or self-aspirated to a pneumatic 

nebulizer at an uptake rate of ≤ 0.5 mL/min and an argon nebulizer gas 

flow rate of 0.5 to 1.1 L/min. The nebulizer is inserted into a heated 

spray chamber to convert a higher percentage of the liquid into an 

aerosol. The spray chamber is connected to a desolvation system to 

condense most of the liquid in the aerosol and maintain plasma 

stability. A built-in three-channel drain pump removes the condensed 

sample solvent to waste. Dried sample particles then continue in the 

nebulizer gas flow to the plasma, resulting in emitted analyte radiation 

(ICP-AES) or analyte ions (ICP-MS). 

The nebulizer, spray chamber, and desolvation system are protected by 

a secure lid, with access to the nebulizer via a front door. An external 

view of the Marin-5 is shown in Figure 1-1. 

1–2


Introduction 

Marin-5 System Overview 

Figure 1- 1. Marin-5 Enhanced Nebulizer System. 

1–3


Introduction 

The following standard components/accessories are also 

included with each Marin-5: 

• ICP-AES/ICP-MS interface kit: All parts to interface with the 

operator’s ICP-AES or ICP-MS, including torch adapter, fittings and 

tubing. 

• One concentric pneumatic nebulizer: Flow rate of 500, 200, or 

100 µL/min. 

• Spare fuse kit: Contains replacement fuses for the Marin-5. 

• One power cord 

Note: 

Contact CETAC Technologies if you need additional accessories or 

added features to integrate the Marin-5 with your analytical system or if 

your laboratory has unique requirements. Research and development 

of new features and accessories for the Marin-5, often inspired by 

customer requests, is a continuing activity of CETAC Technologies. 

1–4

2 

Preparing for Installation


Preparing for Installation 


This chapter discusses the requirements for choosing a location for the 

Marin-5 Enhanced Nebulizer System. It also describes how to unpack 

the Marin-5 before installation. 

__________________________________________________________________ 

Unpacking the Marin-5 

Inspect external packaging upon receipt for signs of physical damage 

from rough handling or abuse during shipment. Inspect all items during 

unpacking and notify the carrier immediately of any visible or concealed 

damage. 

Remove packing checklist from the shipping container, and check off 

items against it. Leave accessories in the packing container until you 

are ready to install them on the Marin-5. 

__________________________________________________________________ 

Marin-5 Packaging 

The shipping container unpacks in two layers from the top down: 

• Interface kit and completion kit 

• Small box with Marin-5 glassware (spray chamber/glassware and 

mounting stand) 

• Marin-5 Enhanced Nebulizer System 

NOTE: 

Do not throw away the factory packaging. Keep it for possible future use. 

This is one of the warranty conditions. 

CAUTION 

If water vapor condensation has formed on or inside the Marin-5, allow 

it to dry thoroughly before connecting it to an AC power source and 

operating it. Failure to do so may cause equipment damage. 

2-2



__________________________________________________________________ 

Choosing a Location 

Choosing a location for the Marin-5 involves evaluating the laboratory 

environment for the availability of space and power. For the Marin-5 to 

function optimally, the location you select must meet specific 

requirements associated with each of these items. The following sections 

discuss space and power requirements. 

Space Requirements 

Most analytical applications benefit from the shortest sample flow 

path. A 1.5 meter length of Tygon ® PVC tubing is provided to connect 

the Marin-5 to the ICP-AES or ICP-MS torch. Place the Marin-5 sample 

out port less than one meter from the torch. Dimensions of the Marin-5 

are 29.5cm W x 26.7cm D x 31.4cm H. Adequate space should be allowed 

for proper ventilation. 

Power Requirements 

Place the Marin-5 within 1.2 meters of the power outlet. The Marin-5 is 

provided with two voltage selection switches on the bottom panel, right 

rear. The voltage may be selected as either 100-120 VAC +/- 10%, 50/60 

Hz, 5A or 220-240 VAC +/- 10%, 50/60 Hz, 2.5A. See Figure 2-1. 

2–3



Figure 2-1. Voltage Selection Switches (bottom panel) 

__________________________________________________________________ 

ICP-AES / ICP-MS Requirements 

To achieve optimum performance with the Marin-5, the ICP-AES or 

ICP-MS system must meet factory specifications from your vendor and 

be in good operating condition. Check the system performance using the 

standard sample introduction system before Marin-5 installation. If the 

sensitivity, stability and overall performance do not meet instrument 

specifications, consult the ICP-AES or ICP-MS manufacturer’s 

operator’s manual. In order for the pneumatic nebulizer to properly selfaspirate, 

a minimum argon gas pressure of 280kPa (40 psi) is required 

in the nebulizer gas line. Ensure that the Ar gas supply for the 

pneumatic nebulizer is from a known, good supply. 

__________________________________________________________________ 

Gas Requirements 

The argon gas supply for the Marin-5 nebulizer gas may be taken 

directly from the nebulizer or carrier gas port of the host ICP-AES or 

ICP-MS instrument. 

2–4

3 

Installing the Marin-5


Installing the Marin-5 


To install the Marin-5, you must complete the following tasks: 

WARNING 

Ensure that the AC power is off (0 showing at the bottom edge of 

the power switch) on the back of the Marin-5 before proceeding 

with installation. 

Establishing External Connections 

The first step in the installation process involves connecting the 

Marin-5 to the power source and to the ICP-AES or ICP-MS instrument. 

The following sections explain how to establish these connections. 

Marin-5 Voltage Selection 

The Marin-5 can be set to operate at 110 VAC or 220 VAC. To check the 

voltage setting, locate the switches on the underside of the Marin-5 

cabinet. Use a small, flat-blade screwdriver to set both switches to 

either 115V or 230V. See Figure 3- 1 below. 

Figure 3- 1 Voltage Selection Switches 

3–2



WARNING 

If the Marin-5 is connected to 220V with one or both voltage 

select switches set to 115V, irreversible damage to the 

electronics may result. 

If the Marin-5 is connected to 115V with one or both voltage 

select switches set to 220V, then the Marin-5 may not operate 

properly. A slow drain pump speed and incorrect heater and 

cooler temperatures indicate low voltage. 

Connecting the Marin-5 to the Power Source 

Voltage-specified power cords are supplied with each Marin-5. 

WARNING 

Use only these power cords or exact replacements. 

To connect the Marin-5 to a power source, plug the cord into the power 

module located on the back panel of the Marin-5. Then plug the cord 

into an appropriate AC outlet (110 or 220 VAC ±10%, 50/60 Hz 

depending on the voltage selection). See Figure 3- 2. 

Figure 3- 2 Connection of Power Cable 

3–3



Installing the Marin-5 Spray Chamber/Glassware 

Assembly 

The Marin-5 spray chamber/glassware is packed in a separate box when 

shipped. To install the spray chamber/glassware assembly in the 

Marin-5, complete the following steps: 

1 Loosen the two rear thumbscrews on the Marin-5 cabinet and 

carefully slide the cover up, forward and past the cooling fan. 

Then lift the cover completely off. 

2 Carefully open the box containing the spray chamber / 

glassware assembly and remove the contents. Note that the 

mounting stand is already attached to assembly. 

3 Carefully remove the protective packing around the spray 

chamber / glassware assembly. 

3–4



4 Carefully slide the mounting stand (with spray chamber / 

glassware attached) onto the mounting bracket on the left 

interior of the Marin-5 cabinet. Slide the entire assembly 

towards the back of the Marin-5 until the glass joint 

connections are fully seated. See Figure 3- 3. 

Figure 3- 3. Placement of Glassware in Support Mount. 

3–5



5 While holding the entire assembly in the position in #4 above, 

insert and finger tighten the front 3/16-inch screw to secure 

the mounting stand to the bracket. See Figure 3- 4. Use the 

3/16-inch hex wrench to tighten the screw. 

Figure 3- 4. Connection of 3/16-inch hex screw to mounting 

stand. 

3–6



6 Ensure that glass joint connection is fully seated and then 

attach the no. 18 metal clamp as shown in Figure 3- 5. The 

second 3/16-inch hex screw may now be inserted and secured 

to the mounting stand. 

7 Establish the electrical connection for the spray chamber 

heater as shown in Figure 3- 6. 

Condenser 

Figure 3- 5. Connection of 

Glassware to Condenser. 

Figure 3- 6. Electrical 

Connection for Spray 

Chamber Heater. 

3–7



8 Carefully place the two Teflon PFA drain lines through the 

rear panel hole and attach the lines to the peristaltic drain 

pump on the back of the Marin-5. See Figure 3- 7. Note that 

the drain lines may be connected to either open pump channel. 

Figure 3- 7. Connection of PFA Drain Lines to Drain Pump. 

9 Carefully replace the cover onto the Marin-5 cabinet. 

Connecting the Marin-5 to the ICP-AES or ICP-MS 

Depending on the ICP-AES or ICP-MS manufacturer and model, a torch 

adapter is supplied for interfacing. Adapters are available for all ICP- 

AES or ICP-MS instruments. 

10 A length of 5/16” O.D. x 3/16” I.D. Tygon® PVC tubing is 

provided with the appropriate ICP-AES or ICP-MS torch 

3–8



adapter(s). Insert the adapter into one end of the Tygon® 

tubing. 

11 The Tygon® PVC tubing may be cut to an appropriate length to 

interface the Marin-5. 

12 In the other open end of the Tygon® PVC tubing, insert the 

12/5 glass joint adapter. 

Attach the 12/5 glass joint to the corresponding ball joint 

(sample out) on the back of the Marin-5. See Figure 3- 8. 

Figure 3- 8. Connection of Sample Out Line to Marin-5. 

13 Connect the other end of the Tygon® PVC tubing with the 

torch adapter to the ICP-AES or ICP-MS torch. Note that the 

standard ICP-AES or ICP-MS nebulizer/spray chamber will 

need to be removed. 

14 The Marin-5 will also be provided with a nebulizer gas line. 

One end of this line will connect to the nebulizer gas port of 

the host ICP-AES or ICP-MS instrument. First make this 

connection. Note that this end of the line may be just open 

3–9



4mm O.D. tubing or may be equipped with an adapter, 

depending on the ICP-AES or ICP-MS instrument. 

15 Open the front door of the Marin-5 cover. Insert the other end 

of the nebulizer gas line through the sample out port on the 

back of the Marin-5 and into the interior of the Marin-5. 

Connecting the Nebulizer 

The Marin-5 is provided with one (1) concentric nebulizer. To install the 

nebulizer and the nebulizer gas line, follow the steps below: 

1 Carefully insert the nebulizer into the nebulizer adapter that 

is mounted in the spray chamber. Note that the adapter hole 

will be angled at 5 or 15 degrees, so insert the nebulizer slowly. 

2 Connect the open end of the 4mm tubing (of the nebulizer gas 

line) to the press-fit adapter mounted on the side gas port of 

the nebulizer. See Figure 3- 9. 

Figure 3- 9. Connection of Nebulizer Gas Line 

3–10



Nebulizer Liquid Uptake Line 

The nebulizer liquid uptake line may be placed through the inlet port on 

the right side of the Marin-5 cover. The uptake line may also be placed 

through one of two front slots on the Marin-5 door. See Figure 3- 10 and 

Figure 3- 11. Finally, there are two slots on either side of the top of the 

door near the large black hinges. 

Figure 3- 10. Inlet Port for Nebulizer Uptake Line. 

Figure 3- 11 Front Slot for Nebulizer Uptake Line. 

3–11



Connecting the Marin-5 Drain Tubing 

There are three liquid drain lines to install on the back of the Marin-5 

unit. To set up these drain lines: 

1. Attach the individual (3 each) drain lines to the barbed 

fittings on the bottom of the drain peristaltic pump. See 

Figure 3- 12. 

Figure 3- 12. Attachment of Drain Tubing 

2. The outlet of the drain lines may be placed in a suitable 

waste container. 

NOTE: 

The drain tubing supplied is Teflon® FEP-lined Tygon® tubing. When 

attaching this tubing, be careful that the inner lining does not come 

away and block the flow of waste liquid. If the lining does come away, 

the affected area may be removed and the remaining length of tubing 

attached. 

3–12

4 

Verifying Installation


Verifying Installation 


Once installation of the Marin-5 is complete, it is important to verify 

that you have installed the system correctly. Attempting to use the 

Marin-5 before ensuring that it is installed correctly may result in 

damage to the system. 

Verifying installation of the Marin-5 consists of three parts: 

• Initial operation procedure 

• ICP-AES or ICP-MS operation under normal conditions 

• System Optimization 

This chapter explains initial operation of the Marin-5, ICP-AES and 

ICP-MS operation, and the optimization of the Marin-5. 

Initial Operating Procedure 

1 Plug the supplied power cord into the Marin-5 and then into the 

AC supply outlet. 

2 Turn on the power switch and allow the temperature 

controllers to preheat and cool. After approximately 5-10 

minutes, all stages should be operating at a steady state as 

indicated by temperature readings of 120°C on the heater for 

the spray chamber/glassware and 3°C on the cooler for the 

condenser. 

Heater 

°C 

Standard Conditions – ICP-AES 

Cooler 

°C 

Nebulizer Gas Flow 

L/min 

120° 3° 0.5 – 0.8



Standard Conditions – ICP-MS 

Heater 

°C 

Cooler 

°C 

Nebulizer Gas Flow 

L/min 

75° 3° 0.5 – 1.1 

Note: 

All temperature controllers are factory programmed and preset. Do not 

exceed controller settings of 150°C for the heater system and 10°C for 

the cooler. If a different temperature setting is desired, the user must 

contact CETAC Customer Service. Unauthorized changes in the 

temperature settings will immediately terminate the warranty. 

Nebulizers 

A 500µL/min nebulizer is typically used for ICP-AES 

applications while a 250µL/min nebulizer is used for ICP-MS. A 

100µL/min nebulizer is available for applications with very 

volatile organic solvents or volume-limited samples. 

ICP-AES Operation 

1 Ignite the plasma as instructed in the ICP-AES operating 

manual. 

2 After the plasma has stabilized, set the nebulizer gas to 0.65 

L/min. 

3 Prepare and aspirate an appropriate tuning solution for the 

ICP-AES instrument. 

4-3

ICP-AES Optimization 

It is necessary to optimize the ICP-AES instrument after installation of 

the Marin-5. Optimization procedures may include adjustment of gas 

flows, plasma viewing positions, and other ICP-AES parameters. 

Typically, the signal-to-noise or signal to-background ratio is the 

primary criterion for optimization. For detailed instructions on system 

optimization for aqueous or organic samples, perform the 

ICP-AES/Marin-5 Optimization Procedure. After the system has been 

optimized, the Marin-5 is ready for routine operation. 

ICP-AES/Marin-5 Optimization Procedure 

1 After the Marin-5 and the ICP-AES have reached a stable 

operating temperature, set the nebulizer flow rate to 0.65 L/min 

and aspirate an appropriate tuning solution which may include 

the element manganese (Mn). 

2 Monitor elemental signal intensity of the selected tuning 

element in time resolved mode and adjust the argon nebulizer 

gas flow to produce the desired highest intensity. The nebulizer 

gas flow is one of the most important parameters in determining 

sensitivity and stability. Optimize the nebulizer gas flow to 

maximize signal and provide a signal stability of 1% RSD or less; 

suggested signal integration time is 5 or 10 seconds. 

3 Adjust the Marin-5 heater temperature for best signal and 

stability. Usually the temperature is adjusted ±10°C from the 

preset factory temperature. 

ICP-MS Operation 

1 Ignite the plasma as instructed in the ICP-MS operating 

manual. 

4-4



2 After the plasma has stabilized, set the nebulizer gas to an 

initial setting of 0.8 L/min. 

3 Prepare and aspirate an appropriate tuning solution for the 

ICP-MS instrument. The tuning solution should contain the 

element cerium (Ce). 

ICP-MS Optimization 

It is necessary to optimize the ICP-MS instrument after installation of 

the Marin-5. Optimization procedures may include adjustment of gas 

flows, sampling positions, ion lens settings, and other ICP-MS 

parameters. Typically, the signal-to-noise or signal to-background ratio 

is the primary criterion for optimization. For detailed instructions on 

system optimization for aqueous or organic samples, perform the ICP- 

MS/Marin-5 Optimization Procedure. After the system has been 

optimized, the Marin-5 is ready for routine operation. 

ICP-MS / Marin-5 Optimization Procedure 

1 After the Marin-5 and the ICP-MS have reached a stable 

operating temperature, set the nebulizer flow rate to 0.8 L/min 

and aspirate an appropriate tuning solution which includes the 

element cerium (Ce). The inclusion of Ce will allow the user to 

monitor the %CeO/Ce ratio. 

2 Monitor signal intensity of the selected set of tuning elements in 

time resolved mode and adjust the argon nebulizer gas flow to 

produce the best signal intensity. Check the %CeO/Ce ratio and 

readjust the nebulizer gas flow so this ratio is 3% or less. The 

ICP-MS sampling position and ion optic voltages may also be 

adjusted for the best signal intensity. Continue to adjust the 

nebulizer gas for best signal and signal stability of 3% RSD or 

less using a 1-second integration time. 

4-5

3 Adjust the Marin-5 heater temperature for best signal and 

stability. Usually the temperature is adjusted ±10°C from the 

preset factory temperature. 

Introduction of Organic Solvents 

Volatile organic solvents (e.g. 2-propanol, tolune, hexane) may be run 

directly through the Marin-5 to the ICP-AES or ICP-MS. However, 

introduction of organic solvents may require one or more of the 

following procedure changes: 

a 

b 

c 

d 

Use of a lower flow nebulizer, such as a 100µL/min nebulizer to 

reduce solvent loading. 

A lower cooler setting (for the condensor), such as -15°C to reduce 

the level of organic vapor reaching the plasma. 

The introduction of a low flow of oxygen (up to 100mL/min) into the 

sample out line from the Marin-5 to the ICP torch. This flow of 

oxygen helps prevent carbon buildup on the ICP torch and the ICP- 

MS sampling cones. 

Use a smaller diameter ICP torch injector tube to help minimize the 

loading of organic solvent vapors into the plasma. A typical injector 

diameter for organics is approximately 1mm or less. 

Note: 

Many ICP-AES and ICP-MS instruments have an oxygen addition 

capability. The CETAC BGX-100 Blend Gas Accessory can be used 

to simplify the gas addition. Please contact CETAC Technologies 

at 800-369-2822, 402-733-2829, or custserve@cetac.com for further 

information and assistance with regard to gas addition. 

4-6



Additional Marin-5 Operating Items 

Nebulizer Port Adapter 

The Marin-5 is shipped with two nebulizer port adapters. One port 

adapter has a 5° angle hole for the nebulizer; the other adapter has a 

15° angle hole. The 5° angle hole adapter can be used for higher analyte 

sensitivity while the 15° angle hole adapter provides less signal 

enhancement but improved signal stability. The 15° angle adapter is 

recommended for ICP-MS applications See Figure 4- 1 and Figure 4- 2. 

Figure 4- 1. 5° port adapter 

Figure 4- 2. 15° port adapter 

Tee Assembly for Sample Out Line 

The Marin-5 completion kit also contains a tee assembly which can be 

inserted into the sample out line between the Marin-5 and the ICP 

torch. The tee assembly enables the introduction of an addition gas such 

as oxygen (organic solvents), argon, or nitrogen. 

4-7

Oxygen addition may be needed to prevent carbon buildup from organic 

solvents on the ICP torch or ICP-MS sampling cones (sampler and 

skimmer). Argon or nitrogen addition gas can help improve analyte 

signal intensity and/or stability, expecially for ICP-MS. Flow rates for 

these gases can vary considerably depending upon the application and 

the model ICP or ICP-MS. Typical flow rate ranges are: 

a O2 : 10 to 50mL/min 

b Ar : 0.05 to 0.20 L/min 

c N2 : 3 to 10 mL/min 

A picture of the tee assembly is given in Figure 4- 3. 

Figure 4- 3. Tee Assembly for Sample Out Line 

4-8

5 

Using the Marin-5


Using the Marin-5 


It is important to establish sound laboratory practices, analytical 

environment, and ICP-AES or ICP-MS performance before using the 

Marin-5. The best performance can then be expected when these 

conditions are met. 

Establishing Optimal Conditions 

Malfunction or damage can occur if specific operating conditions are not 

met. Meeting these conditions requires establishing the proper 

laboratory environment and replacement of ICP-AES or ICP-MS and 

Marin-5 components that wear out during normal usage. The following 

sections explain how to meet these conditions. 

Note: 

Damage or malfunction that results from unsatisfactory operating 

conditions may constitute misuse and abuse and can be excluded from 

warranty coverage. 

Establishing the Laboratory Environment 

To establish satisfactory operating conditions in your laboratory 

environment, follow these guidelines: 

• Operate the Marin-5 in a conventional laboratory environment 

where the temperature is 50-86°F (10-30°C), the humidity is 20- 

70% non-condensing; and the unit is not exposed to excessive 

flammable or corrosive materials. 

5-2



• Avoid rough handling of the Marin-5. If possible, do not expose 

the system to vibration or shock. 

• Protect the Marin-5 from long-term exposure to condensation, 

corrosive materials, solvent vapor, continual standing liquids, 

or large spills. Exposures of this type can damage the 

electronics. 

• Observe the same general electrostatic discharge precautions as 

with any other integrated circuit electronic device. Low 

humidity environments, especially when combined with staticgenerating 

materials require maximum care. 

WARNING 

Discharge static buildup and ground to the Marin-5 cabinet 

before performing any maintenance. Do not touch or shortcircuit 

bare contacts. 

Avoid using the Marin-5 if strong electromagnetic interference or radio 

frequency interference is present. In environments with very low 

humidity, high static charges may effect the stability of the analyte 

signal, causing a transient drop in intensity within the proximity of the 

charged object. 

Replacing Marin-5 Components 

The following components for the Marin-5 System need to be replaced 

periodically during normal usage. Failure to replace these supplies will 

result in deterioration of analytical performance. 

• Sample Transfer Line: Tygon® PVC Tubing 

The sample transfer line should be replaced when it becomes grossly 

discolored or when it contains solid residues or condensation. 

5–3



• Peristaltic Pump Tubing 

The peristaltic pump tubing that drains the Marin-5 should be replaced 

whenever the tubing becomes flat or damaged due to tension shoe 

pressure. See Chapter 6, “Maintaining the Marin-5 System” for further 

details (p. 6-9). 

Startup Procedure 

1 If the Marin-5 has been turned off for an extended period of 

time, turn on the AC power switch and allow the HEATER and 

COOLER temperatures to reach operating values and stabilize 

(approximately 5-10 minutes). 

2 Ignite the plasma according to standard operating procedures 

for the ICP-AES or ICP-MS instrument. Re-adjust Marin-5 

operating parameters to the optimized settings. If the system 

has not been optimized, see Chapter 4 “Verifying Installation.” 

3 The Marin-5 System is now ready to use. 

Shutdown Procedure 

1 Aqueous Analysis: Aspirate dilute nitric acid (2% HNO3 v/v) for 

approximately 5-10 minutes to provide a thorough spray 

chamber rinse. Follow the acid-rinse by aspirating deionized 

water for approximately 3-5 minutes. 

2 Remove the sample uptake line from the deionized water and 

aspirate the solution remaining in the sample line. It is 

important to dry the sample uptake line prior to shutting down 

the system. 

3 Shut down the ICP-AES or ICP-MS using the procedures 

recommended by the manufacturer. 

5–4



4 Turn off the power switch on the Marin-5. 

Temperature Controller Operation 

The temperature controllers for the spray chamber/glassware and the 

condenser system display the actual operating temperatures of the two 

components. The setpoint for each temperature controller can be viewed 

by simply pressing the blue-colored button labeled SET on the 

respective temperature controller. When the button is released, the 

actual temperature is again displayed. The setpoint temperature can be 

changed by following the steps below: 

1 Press and hold the SET button and press the up or down arrow 

until the desired setpoint is reached. 

2 Release the SET button and the actual temperature will be 

displayed. 

3 The temperature controller will now adjust the temperature to 

the new setpoint. 

The temperature range for the spray chamber is 50°C to 150°C, 

with a factory setting of 120°C. (75°C for ICP-MS) 

The temperature range for the condenser is -20°C to 10°C, with a 

factory setting of 3°C. 

Note: 

The temperature controllers are designed to allow adjustment over a 

certain range. You must contact CETAC Customer Support if you 

desire an operating temperature outside the specified range. 

Unauthorized changes in the temperature settings will immediately 

terminate the warranty. 

5–5



5–6

6 

Maintaining the Marin-5


Maintaining the Marin-5 


Routine maintenance of the Marin-5 consists of daily, weekly and 

monthly procedures for specific system components and expendable 

supplies used in the system. Maintenance includes checking the Marin- 

5 components for leaks or other problems/damage. Some applications 

may require frequent maintenance procedures to be followed, e.g. 

cleaning the glassware after prolonged exposure to high dissolved 

solids. 

WARNING 

The Marin-5 must be turned off and the AC power cords 

unplugged before performing any maintenance on the system. 

Allow the Marin-5 to cool for 30 minutes. 

__________________________________________________________________ 

Cleaning the Marin-5 

Cleaning the Marin-5 is an important task. Failure to clean the Marin-5 

can cause increased wear and reduce the system’s operating life. It is 

especially important to clean up any liquid spills, particularly of any 

acidic solutions. Note that it may be necessary to chemically neutralize 

spills. The following sections explain daily external and internal 

cleaning procedures. 

Daily External Cleaning 

Use of the Marin-5 can result in spills on the top cover of the unit. To 

clean any external spills complete the following steps: 

1. Shut down and disconnect the power cord to the Marin-5. 

2. Allow the Marin-5 to cool for 30 minutes. 

3. Wipe the top and sides of the Marin-5 using a towel 

dampened with a laboratory-grade cleaning agent. 

6-2



4. Repeat step 3, using a towel dampened with clear water. 

This process removes any remaining contaminants. 

5. Dry the lid of the Marin-5 with a dry towel. The Marin-5 

must be thoroughly dry before you turn the power on. 

Daily Internal Cleaning 

Use of the Marin-5 can result in spills inside the cover of the unit. To 

clean any internal spills, complete the following: 

1. Shut down and disconnect the power cord to the Marin-5. 

2. Allow the Marin-5 to cool for 30 minutes. 

3. Loosen the two rear thumbscrews and carefully slide the 

cover forward past the cooling fan. 

4. Open the front door, carefully place the nebulizer uptake 

line inside the Marin-5 and then completely remove the 

cover. 

5. Wipe the area around the glassware and the inner surface of 

the cover using a towel dampened with a laboratory-grade 

cleaning agent. 

6. Repeat step 5, using a towel dampened with clear water. 

This process removes any remaining contaminants. 

7. Dry the area around the glassware and the inner surface of 

the cover with a dry towel. The Marin-5 must be thoroughly 

dry before you turn the power on. 

8. Replace the cover and close and secure the Marin-5 front 

door. 

6-3



__________________________________________________________________ 

Maintaining the Concentric Nebulizer 

The Marin-5 concentric nebulizer should not be removed from the unit 

while the plasma is on. Air intake through the nebulizer port can cause 

the plasma to extinguish. 

If the aspiration rate is extremely slow or if the nebulizer does not selfaspirate, 

the uptake capillary may be obstructed. To remedy this 

condition, replace the uptake line. 

To replace the uptake line, turn off power to the Marin-5 and disconnect 

the power cord. Allow the Marin-5 to cool for 30 minutes. Then open the 

front door and remove the nebulizer uptake line and replace with a new 

line. If a new uptake line does not solve the uptake problem, then there 

may be an obstruction in the nebulizer itself. The nebulizer may need to 

be replaced. 

After a sequence of sample analyses the nebulizer should be rinsed to 

prevent solid buildup on the nebulizer tip. A solution of 2% HNO3 may 

be aspirated for 5 minutes followed by deionized water for 5 minutes. 

__________________________________________________________________ 

Main Fuse Replacement 

The main fuses are located in the AC power module fuse drawer located 

at the left rear of the Marin-5. To replace blown fuses: 

1 Turn the AC power switch to off (0) and disconnect the AC 

power cord. 

2 Use a small flat blade screwdriver to unlatch the fuse holder. 

3 Replace the defective fuse with a 5A, 250V 20mm long fuse. 

WARNING 

Use of a different fuse other than those specified can damage the 

electrical components of the Marin-5, constitute a fire hazard or result 

in personal injury. 

6-4



4 Insert the fuse drawer, replace the power cord, and turn the 

AC power switch on. If the new fuse blows, do not attempt to 

operate the unit. Contact your authorized CETAC Service 

Representative or CETAC Technologies for assistance. 

__________________________________________________________________ 

Rinse Procedure for the Marin-5 Glassware 

The Marin-5 glassware may need to be thoroughly rinsed after the 

analysis of organic samples containing high concentrations of 

nonvolatile residues or after analysis of aqueous samples containing 

high concentrations of dissolved solids. The length of time between 

rinses in a routine operation depends on the types of samples analyzed. 

Analysis of samples containing less than 1% of dissolved solids is 

recommended. Best performance will be achieved with 0.1% to 0.5% 

dissolved solids. 

Note: 

If aqueous samples were analyzed, 2% HNO3 may be used to rinse 

the glassware. If organic solvents such as toluene or hexane were 

analyzed, rinse the glassware with 2-propanol. If non-volatile 

organic samples (e.g., oils diluted in an organic solvent) were 

analyzed, rinse the glassware with toluene or hexane. After rinsing 

with such a solvent, perform a second rinse with 2-propanol. 

WARNING 

Please observe any necessary safety precautions (safety glasses, 

gloves, etc.) when handling HNO3 solutions and organic 

solvents. 

Note that the Marin-5 glassware consists of a spray chamber and an 

initial desolvation section. The spray chamber and the desolvation 

section are one continuous piece of glassware. Please refer to Figure 6-1 

for an interior picture of the Marin-5. 

6-5



Figure 6-1. Interior View of the Marin-5 

To rinse the Marin-5 glassware, perform the following steps: 


power cord. If the power for the Marin-5 has been on, allow the 

unit to cool for 30 minutes. 

6-6



2 Loosen the two rear thumbscrews and carefully slide the cover 

forward and past the cooling fan. 

3 Open the front door, carefully place the nebulizer uptake line 

inside the Marin-5 and then completely remove the cover. 

4 Carefully disconnect the nebulizer gas line from the concentric 

nebulizer and carefully remove the nebulizer. Then remove the 

nebulizer gas line from the Marin-5. 

5 Carefully remove the nebulizer adapter fitting from the spray 

chamber. 

6 Disconnect the multi-wire connector to the glassware. 

7 Detach the metal clamp that secures the glassware to the 

condenser. 

8 Disconnect the two liquid drain lines from the bottom of the 

glassware. 

9 Loosen the black thumbscrew of the support holder and 

carefully remove the glassware. 

Carefully rinse the glassware with 20mL to 25mL portions of an 

appropriate solvent. For aqueous-based samples, 2% HNO3 is 

recommended. If deposits are observed on the inner walls of the 

glassware, the 2% HNO3 may be allowed to soak the glassware 

for an extended period of 1 hour or more. 

10 See the note on page 6-5 for rinsing after the introduction of 

organic samples. 

11 After cleaning with acid, rinse the glassware with deionized 

water. 

12 Reverse steps 2 through 8 to reattach the glassware to the 

Marin-5. 

6-7



13 Reestablish power to the Marin-5. 

__________________________________________________________________ 

Rinse Procedure for the Marin-5 Condenser 

The Marin-5 condenser section may also be rinsed using the same 

solution guidelines as for the Marin-5 glassware. To rinse the condenser 

section, perform the following steps: 


power cord. If the power for the Marin-5 has been on, allow the 

unit to cool for 30 minutes. 

2 Remove the sample out line from the glass ball joint on the back 

of the Marin-5. 

3 Use a rinse bottle to add 20mL to 25mL of the appropriate rinse 

solution to the condenser. 

4 Allow the rinse solution to stand in the condenser for 10 to 15 

minutes. 

5 Reattach the power cord to the Marin-5 and turn on the power. 

The drain pump will automatically turn on and remove the 

rinse solution to waste. When all of the rinse solution has been 

removed, turn off the power and disconnect the power cord. 

6 Steps 3 through 5 may be repeated with deionized water. 

7 Reestablish power to the Marin-5 and reconnect the sample out 

line. 

6-8



__________________________________________________________________ 

Replacement of the Drain Pump Tubing 

The drain peristaltic pump tubing may need to be replaced due to wear 

or damage. If liquid is not being drained from the glassware, first adjust 

the tension on the peristaltic pump tubing. If any adjustment does not 

solve the drainage problem, then the tubing should be replaced. 

To replace the drain pump tubing, perform the following steps: 


power cord. 

2 Remove the 1/16 inch O.D. PFA Teflon® tubing (3 lines) from the 

top inlet side of the drain pump. Then remove the 3 longer lines 

of FEP-lined Tygon® tubing from the outlet side of the pump. 

3 Release the tension screws for all three channels of the drain 

pump. 

4 Carefully pull out the connector fittings from the drain pump 

tubing holder. 

5 Remove the tubing from the fittings and replace with new 

tubing. 

6 Reattach the drain tubing with the connector fittings to the 

drain pump tubing holder (inlet and outlet). 

7 Reconnect the 1/16 inch O.D. PFA Teflon® tubing (3 lines) to the 

top inlet side, and the longer tubing to the outlet side (3 lines) of 

the drain pump. 

8 Secure the tension screws for all three channels of the drain 

pump. 

9 Adjust the tension screws as needed for a steady flow of drain 

liquid. 

6-9



__________________________________________________________________ 

Replacement of Broken Spray Chamber/ 

Glassware Assembly 

In case of breakage, the spray chamber/glassware assembly can be 

removed by reversing the installation procedure found on pages 3-4 

through 3-6. 

WARNING 

Exercise caution when removing broken glassware due to sharp 

or jagged edges. 

When the spray chamber / glassware assembly with mounting stand has 

been removed, use the 1/8 inch hex wrench to carefully remove the three 

screws that secure the spray chamber heating block to the mounting 

stand. See Figure 6-2. 

Secure the new glassware to the mounting stand via the same three 

screws and replace the entire assembly to the Marin-5 as shown and 

described on pages 3-4 to 3-8. Note that the three screws can be slightly 

adjusted to allow the glassware glass joint to line up straight and 

securely. 

Figure 6-2. Adjustment of support plate 

6-10

7 

Troubleshooting the Marin-5


Troubleshooting the Marin-5 


The Marin-5 is both easy to operate and reliable. However, problems 

with the system may occur. If good performance is not obtained, try to 

isolate the problem to determine if it originates in the ICP-AES or 

ICP-MS instrument, sample preparation procedure, or the Marin-5. 

This chapter explains how to troubleshoot Marin-5 problems. If you 

cannot solve a problem using the steps given in this chapter, contact 

CETAC Technologies Customer Service and Support. 

Phone: 

(800) 369-2822 (USA only) 

(402) 733-2829 

Fax: (402) 733-1932 

E-Mail: 

custserv@cetac.com 

Temperature Controller Problems 

1 Temperature controllers do not illuminate. 

• The power cord may not be plugged into the AC wall outlet. Plug in 

power cord. 

• Main fuses may be blown. Replace main fuses. See page 6-4 “Main 

Fuse Replacement.” 

2 Display of temperature controller reads “Er 4.” 

• Open thermocouple, bad connection, or broken wire. Replace/repair 

thermocouple wire. Contact CETAC Customer Service. 

7-2



3 Temperature controller stops illuminating. 

• Thermal safety switch tripped due to excessive temperature. Heat 

controller or solid-state relay is defective. Contact CETAC 

Customer Service. 

Solution Drainage Problems 

1 Liquid waste is not removed from the Marin-5. 

• Adjust tension on drain pump to improve liquid waste flow. 

• Check for wear or damage to drain pump tubing. Replace tubing if 

necessary. 

2 Drain pump will not operate. 

• Contact CETAC Customer Service. 

Nebulizer / Plasma Problems 

1 Poor and/or unstable aerosol generation. 

• Insufficient nebulizer gas flow or pressure. The Argon 

nebulizer gas flow should be in a 0.5 - 1.1 L/min range. If such a 

flow range cannot be achieved, there may be insufficient nebulizer 

gas pressure. Increase inlet pressure (not to exceed 100 psi or 

700kPa.). Normal operating pressure for the Marin-5 is 40 psi 

argon pressure. If the ICP-AES or ICP-MS cannot achieve 40 psi, 

alternative plumbing may be required. 

• Uptake line may be obstructed or damaged. Replace the 

nebulizer uptake line. 

• Leak in the nebulizer gas line. Inspect the nebulizer gas line to 

make certain that all connections are correct and leak-free. If the 

line is leaking, repair with appropriate tubing. 

7-3



• Low or No signal from the ICP-AES or ICP-MS. Check the 

sample out line to make certain the Tygon® tubing is properly 

connected to the torch. 

• Check the o-rings in the nebulizer port on the front of the 

spray chamber. Worn-out o-rings may cause gas to leak out of the 

spray chamber. Turn off power to the Marin-5 and allow the spray 

chamber to cool (30 minutes). Then remove the nebulizer port fitting 

and replace the o-rings. Note that there are 2 sets of o-rings (outer 

and inner). See Figure 7-1. 

Figure 7-1. Nebulizer Port with o-rings. 

2 Sample Flow Rate Problems 

• The liquid flow rate is too high. The liquid flow rate by selfaspiration 

is determined by the nebulizer gas flow. Decreasing the 

nebulizer gas flow will decrease the liquid flow rate. Consequently, 

signal intensity may decrease as a result. Proper nebulizer gas flow 

rates should be optimized based on each individual application. 

Normal criterion for assessing performance are signal to 

7-4



background ratios and elemental oxide levels (such as CeO with 

ICP-MS). 

• Liquid accumulation in spray chamber. Replace the peristaltic 

pump drain tubing and adjust the pump shoe pressure to be 

slightly firm. Inspect the pump tubing on a daily basis and replace 

as required especially when it becomes worn and flattened. 

3 Poor precision. 

• Poor precision is often due to improperly set nebulizer gas flow. If 

the imprecision is characterized by large, periodic drops in signal 

intensity, the cause may be an excessive sample flow rate. More 

concentrated samples (>1% dissolved solids) may also cause poor 

precision. In addition, such samples may require longer rinse-out 

times. Finally, readjustment or replacement of the peristaltic pump 

drain tubing may be necessary to improve precision. 

4 Nebulizer self-aspiration stops. 

• Make certain that the nebulizer gas is turned on, the nebulizer gas 

line is leak-free and the proper amount of gas pressure (at least 40 

psi) is being delivered to the nebulizer. 

• The nebulizer capillary may be irreversibly clogged or damaged. 

Contact CETAC Technologies for a replacement capillary. 

Plasma Problems 

Plasma is unstable or will not start. 

• The most likely cause of plasma instability is a gas leak in the 

Marin-5. Check all gas line connections. Make sure all connections 

are tight and correct. Very high gas flow may also cause plasma 

instability. Refer to Chapter 4, “Verifying Installation.” 

7-5



7-6


Marin-5 Specifications 

Marin-5 Specifications 

• Nebulizer: Glass concentric, std. 6mm diameter 

• Optimum liquid uptake rate: 500µL/min 

• Nebulizer gas flow range: 0.5 to 1.1 L/min 

• Spray Chamber: quartz 

• Heater Temperature: 50°C to 150°C 

• Condenser Temperature: -20°C to 10°C 

• Voltage: 

• 120 VAC +/- 10%, 50/60 Hz, 5A 

• 220 VAC +/- 10%, 50/60 Hz, 2.5A 

• Dimensions: 

• 29.5 cm W x 26.7 cm D x 31.4 cm H 

• Weight: 7.3 kg (16.1 lbs) 

8-1

Marin-5 Operator's Manual - CETAC Technologies

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