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SRM Method Library Table 27. Compounds For GCMS Positive Electron Ionization (EI) SRM Detection (Organized by Compound Name), continued Compound Methacrifos Nominal Mass 240 — — Exact Mass 240.0222 — — M Defect 9 9 9 Precursor Ion (m/z) 240.02 208.02 240.02 Product Ion (m/z) 208.02 180.02 180.02 Collision Energy (eV) 10 10 5 Comments Breakdown product Methamidophos 141 — — 141.0014 — — 1 1 1 141.00 141.00 141.00 126.00 95.00 80.00 5 10 10 — Methidathion 302 — — 301.9620 — — -13 -13 -13 144.98 144.98 124.98 84.99 57.99 98.99 10 15 22 — Methiocarb 225 — 225.0825 — 37 37 168.06 168.06 109.04 153.06 15 15 Degrades in GC injector, as all carbamates do Methomyl 162 — 162.0464 — 29 29 105.03 105.03 88.03 58.02 8 8 Degrades in GC injector, as all carbamates do Methoprene 310 — 310.2509 — 81 81 235.19 278.23 147.12 191.15 10 10 — Methoprotryne 271 — 271.1469 — 54 54 256.14 256.14 212.11 200.11 15 15 — Methoxychlor peak 1 344 — 344.0140 — 4 4 227.01 228.01 212.01 213.01 15 15 — Thermo Scientific Pesticide Analyzer Reference 145
SRM Method Library Table 27. Compounds For GCMS Positive Electron Ionization (EI) SRM Detection (Organized by Compound Name), continued Compound Methoxychlor peak 2 Nominal Mass 344 — — — Exact Mass 344.0140 — — — M Defect 4 4 4 4 Precursor Ion (m/z) 274.01 274.01 227.01 227.01 Product Ion (m/z) 259.01 239.01 212.01 169.01 Collision Energy (eV) 20 20 15 20 Comments — Methyl paraoxon 247 — 247.0246 — 10 10 230.02 230.02 200.02 136.01 10 10 Breakdown product Methyl trithion 314 — 313.9428 — -18 -18 156.97 313.94 121.98 156.97 10 10 — Metolachlor 283 — — 283.1341 — — 47 47 47 238.11 238.11 162.08 162.08 133.06 133.06 15 15 15 — Metolcarb 165 — 165.0790 — 48 48 108.05 108.05 107.05 79.04 10 10 Degrades in GC injector, as all carbamates do Metominostrobin-E 284 — 284.1162 — 41 41 191.08 238.10 160.07 210.09 20 20 — Metominostrobin-Z 284 — 284.1162 — 41 41 191.08 238.10 160.07 210.09 20 20 — Metrafenone 408 — 408.0572 — 14 14 393.06 393.06 363.05 335.05 20 20 — 146 Pesticide Analyzer Reference Thermo Scientific
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Pesticide Analyzer Reference
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© 2009 Thermo Fisher Scientific In
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Contents 4 Pesticide Analyzer Refer
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Introduction Modern analytical meth
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About This Manual This manual also
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What is a Pesticide? Pesticide Chem
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What is a Pesticide? Table 2. Pesti
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Preparing Samples Preparing Samples
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Preparing Samples Extracting Sample
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Preparing Samples 5. Place the tube
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Preparing Samples Exchanging Solven
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Preparing Samples 5. Centrifuge the
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Setting Up a Method 9. Now you can
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Configuring the GC/MS System for Pe
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List of Pesticide Compounds Table 2
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