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What is a Pesticide? Table 2. Pesticide Compound Structures, continued Compound Class Chloropyridinyl Chromatographic Information in GC/MS Gaussian peak shape Dinitrophenols Degrade in injector, get lost in a SSL, Trace GC PTV works fine Imidazolinone Tend to degrade in injector, column tailing, use PTV with inert liner Thermo Scientific Pesticide Analyzer Reference 11
What is a Pesticide? Table 2. Pesticide Compound Structures, continued Compound Class Organophosphorus Compounds The general chemical structures associated with organophosphorus pesticides are: Chromatographic Information in GC/MS No unique behavior, low molecular weight substances are volatile, sulfur esters are sensitive to active sites on column and ion volume, polar compounds (e.g. Acephate) tend to stick in injector and are prone to tailing due to active sites in column (e.g. Parathion, Sulfotep) 12 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 15: 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 53 and 54: List of Pesticide Compounds Table 2
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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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