LC Accessories

Mobile Phase Handling
L C A C C E S S O R I E S
Mobile Phase Inlet Filters
How do I Choose a Mobile Phase Inlet Filter?
Choose the filter material based on the analysis
Stainless Steel:
Hastalloy C:
Polyethylene:
Titanium:
Suitable for most applications except very
strong acid or halogenated solvents
More inert grade of stainless steel, suitable for
halogenated solvents where halide salts tend
to corrode other types of stainless steel
Good general inertness. Ideal for any metalfree
or IC application
For IC or biochromatography, non-ferrous filter
does not leach ions into the solvent stream
Choose the filter porosity
based on the HPLC flow rate
FLOW RATE
(ML/MIN.)
INLET FILTER
POROSITY
0.1-5 2µm
0.5-5 5µm
1-10 10µm
10-50 20µm
20-100 40µm
Last-Drop Filter/Sparger
• Keeps sparging gas bubbles from entering pumping
system
• Filter and sparger in one convenient unit
The Alltech Last-Drop Filter/Sparger combines a
mobile phase filter and sparger in one convenient device.
The filter element sits right on the bottom of the bottle,
allowing the pump to draw all but the last few milliliters
of solvent from the reservoir. The upper portion of the
housing has two 10µm sparging elements that finely
disperse bubbles away from the pump inlet for optimum
degassing efficiency.
Last-Drop Filter/Sparger Specifications
Material:
PEEK and PTFE Body; Stainless Steel or
PAT ® (PEEK Alloyed with TFE) Filters
Porosity: 2µm or 10µm
Max. Temperature: 100°C
Plumbing: Slip Fit to 1.5-, 2.2-, or 3.0mm i.d. Tubing
10µm PAT ® Sparging
Elements
PTFE Housing
Uni-Fit for
Pump Inlet
Uni-Fit for
Sparging Gas
Inlet
Last-Drop Inlet Filters
• Flat-bottom design draws all the solvent from the
bottle reservoir
• High surface area filter for long life
The Alltech Last-Drop Mobile Phase Inlet Filter
uses a flat filter element that sits on the bottom of
the bottle, allowing the pump to draw all but a few
milliliters of mobile phase from the reservoir. You get
more analyses from each batch of mobile phase and
minimize hazardous waste.
Last-Drop Inlet Filter Specifications
Material:
PTFE Body; Stainless Steel, PTFE, or
PAT ® (PEEK Alloyed with TFE) Filters
Porosity: 2µm, 5µm or 10µm
Max. Temperature: 100°C
Plumbing: 1/4-28 Port for 1/16" or 1/8" o.d. Tubing or
Slip Fit to 1.5-, 2.2-, or 3.0mm i.d. Tubing
1/4-28 Fitting for
1/8" o.d. and 1/16"
o.d. Tubing
Uni-Fit slip fits
to 1.5, 2.2, or
3.0mm i.d. Tubing
6401
238
Stainless Steel or
PAT ® Filter
LAST-DROP FILTER/SPARGERS
DESCRIPTION POROSITY PART NO. PRICE
Stainless Steel Filter/Sparger 2µm 28952
Stainless Steel Filter/Sparger 10µm 28953
PAT ® Filter/Sparger 2µm 28954
PAT ® Filter/Sparger 10µm 28955
© Copyright 2004 Alltech Associates, Inc.
5571
DESCRIPTION
LAST-DROP INLET FILTERS
POROSITY
PART NO.
W/FITTING
PART NO.
W/UNI-FIT
Last-Drop Inlet Filter 0.900" (22mm) Diameter
Stainless Steel Filter 2µm 28835 38835
Stainless Steel Filter 10µm 28836 38836
PAT ® Filter 2µm 28837 38837
PAT ® Filter 5µm 28838 38838
PAT ® Filter 10µm 28839 38839
PTFE Filter 10µm 28846 38846
Mini Last-Drop Inlet Filter 0.800" (20mm) Diameter
Stainless Steel Filter 2µm 38801 38811
Stainless Steel Filter 10µm 38802 38812
PAT ® Filter 2µm 38803 38813
PAT ® Filter 5µm 38804 38814
PAT ® Filter 10µm 38805 38815
PTFE Filter 10µm 38806 38816
PRICE
Contact your Alltech office or distributor for current or local prices.