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Preparing Samples Figure 1. QuEChERS Flowchart Thermo Scientific Pesticide Analyzer Reference 19
Preparing Samples Extracting Samples and Cleaning Up When using the QuEChERS method to prepare samples, you must perform an extraction and clean up the sample. The next step is to exchange solvents and produce a final solvent that is more amenable to a splitless injection. 10 To perform an extraction: 1. Weigh a thoroughly homogenized 15 g sample into an extraction tube. 2. Pour 15 mL of 1% glacial acetic acid/MeCN extraction solvent into the tube on top of the sample. 20 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: Preparing Samples Preparing Samples
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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