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Configuring the GC/MS System for Pesticide Analysis Table 18. TriPlus AS or AS 3000 II Autosampler - Sampling Parameters Setting Parameter Sample Volume 1.0 - 2.0 μL. PTV/SSL large volume (LVI) conditions require different oven, injector temperature program and timing settings. Refer to the TRACE GC Ultra documentation for details. Plunger Strokes 5 Air Volume 1.0 μL Filling Volume 2.0 μL Table 19. TriPlus AS or AS 3000 II Autosampler - Vial Sampling Depth Parameters Vial Depth Setting Bottom Parameter Table 20. TriPlus AS or AS 3000 II Autosampler - Injection Mode Parameters Setting Pre-injection Dwell Time Post-injection Dwell Time 0.0 s 2.0 s Parameter Table 21. TriPlus AS or AS 3000 II Autosampler - Viscosity Parameters Sample Type Setting Non-viscous Parameter Thermo Scientific Pesticide Analyzer Reference 43
Configuring the GC/MS System for Pesticide Analysis TSQ Quantum GC Mass Spectrometer The TSQ Quantum GC mass spectrometer ships with the recommended configuration for pesticide analysis. It is equipped for easy ion volume exchange. The method settings for the TSQ Quantum GC will provide good results for all listed compounds. Adjustments can be made if the compound list changes or additional sensitivity is required. Table 22. TSQ Quantum GC Mass Spectrometer - Tuning Parameters AutoTune Setting Parameter Manual tune may be recommended for special mass range enhancements. Table 23. TSQ Quantum GC Mass Spectrometer - Source Parameters Setting Ionization Mode EI Emission Current 50 uA Ion Volume Closed EI Volume Source Temperature 250 °C Parameter Tip Even with a maximum GC oven temperature of 300 °C, a low transfer line temperature works well and prevents active sites created in a constantly high heated transfer line. 44 Pesticide Analyzer Reference Thermo Scientific
Page 1 and 2: Pesticide Analyzer Reference
Page 3 and 4: © 2009 Thermo Fisher Scientific In
Page 5 and 6: Contents 4 Pesticide Analyzer Refer
Page 7 and 8: Introduction Modern analytical meth
Page 9 and 10: About This Manual This manual also
Page 11 and 12: What is a Pesticide? Pesticide Chem
Page 13 and 14: What is a Pesticide? Table 2. Pesti
Page 23 and 24: Preparing Samples Preparing Samples
Page 25 and 26: Preparing Samples Extracting Sample
Page 27 and 28: Preparing Samples 5. Place the tube
Page 29 and 30: Preparing Samples Exchanging Solven
Page 31 and 32: Preparing Samples 5. Centrifuge the
Page 33 and 34: Setting Up a Method 9. Now you can
Page 35 and 36: Configuring the GC/MS System for Pe
Page 47: Configuring the GC/MS System for Pe
Page 53 and 54: List of Pesticide Compounds Table 2
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SRM Method Library Table 27. Compou
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References References 1. Anastassia
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