CETAC M-7600 Mercury Analyzer Operator's Manual

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Operator’s Manual Chapter 4: Using the Analyzer 8 With the drain tube pinched, the GLS should begin to fill with liquid. Once the liquid level rises, gas will bubble through it. 9 Allow the GLS to fill until a gas bubble propels a “meniscus” upward to wet the post all along its length, including its top. (THE POST IS NOW WETTED.) 10 When this happens, release (un-pinch) the drain tube. With the drain tube tension properly set and the drain tube un-pinched, the liquid will begin draining. 11 Once the GLS has “emptied,” leave the pump running (keep liquid flowing) and reconnect “11HG Vapor12” tube to the GLS vapor outlet. 12 Place reagent uptake tube in the SnCl 2. 13 The post is now wetted and the QuickTrace M-7600 is ready to run samples. The analyst may now operate the QuickTrace M-7600 to perform analysis of samples. The help system built into the QuickTrace software has been developed specifically to assist the analyst in this task. Refer to the software manual, the online help, or the QuickTrace interactive demo to perform the desired analytical tasks. 14 Once the analysis is finished, place the QuickTrace M-7600 instrument in either Standby or Cold Shutdown condition (page 101). NOTE Concentration ranges greater than 20 ppb may require a higher percent acid in the rinse solution. A 5% HCl / 2% HNO 3 v/v should be sufficient for the highest concentration mode. NOTE If you don't want to consume stannous chloride reagent during a “standby” condition, you may alternatively keep the GLS center post wetted by immersing the reagent uptake tube in a beaker of deionized water (with the autosampler's sample probe also immersed in the autosampler rinse station). 86
CETAC QuickTrace M-7600 Mercury Analyzer Chapter 4: Using the Analyzer Running the Interactive Demo The QuickTrace software comes with an interactive demonstration which will help you quickly understand the basic operation of the software. 1 From the Start menu, select All Programs | CETAC QuickTrace | Interactive Demo. Figure 4-9 Starting the Interactive Demo. Figure 4-10 Interactive Demo Interface. Overview of the CETAC QuickTrace Software The QuickTrace software lets you create a method tailored to your analytical needs. You can specify a calibration, quality control limits with error actions and specific end-of-run routines such as automated standby, print or export routines. There are three basic parameters that affect the M-7600’s method ranges: ‣ Gas flow rate ‣ Sample peristaltic pump rate ‣ Sample uptake rate By changing these basic parameters, you can set the QuickTrace M-7600 mercury analyzer to function in method ranges of ultra-trace to high µg/L 87
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CETAC M-7600 Mercury Analyzer Opera
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Contents 1 Introduction ...........
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M-7600 Mercury Analyzer Operator's
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1 Introduction Overview The CETAC Q
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CETAC QuickTrace M-7600 Mercury Ana
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2 Preparing for Installation Instal
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3 Installing the Analyzer Installat
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8 Glossary A Amperes, electrical cu
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ng Nanogram (10 -9 gram), mass or w
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Index autosampler data cables, 44,
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Manual Part Number 480195 Rev 2 Pri
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CETAC M-7600 Mercury Analyzer Operator's Manual

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