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Pesticide Analyzer Reference - writeframeofmind.biz

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SRM Method Library<br />

Table 27. Compounds For GCMS Positive Electron Ionization (EI) SRM Detection (Organized by Compound Name), continued<br />

Compound<br />

Isofenphos<br />

Nominal<br />

Mass<br />

345<br />

—<br />

—<br />

—<br />

Exact<br />

Mass<br />

345.1165<br />

—<br />

—<br />

—<br />

M<br />

Defect<br />

34<br />

34<br />

34<br />

34<br />

Precursor Ion<br />

(m/z)<br />

255.09<br />

255.09<br />

213.07<br />

213.07<br />

Product Ion<br />

(m/z)<br />

213.07<br />

185.06<br />

185.06<br />

121.04<br />

Collision Energy<br />

(eV)<br />

10<br />

10<br />

10<br />

17<br />

Comments<br />

—<br />

Isofenphos-methyl<br />

331<br />

—<br />

331.1009<br />

—<br />

30<br />

30<br />

199.06<br />

241.07<br />

121.04<br />

199.06<br />

15<br />

10<br />

—<br />

Isoprocarb<br />

193<br />

—<br />

193.1104<br />

—<br />

57<br />

57<br />

136.08<br />

121.07<br />

121.07<br />

103.06<br />

15<br />

15<br />

Degrades in GC<br />

injector, as all<br />

carbamates do<br />

Isopropalin<br />

309<br />

—<br />

309.1690<br />

—<br />

55<br />

55<br />

280.15<br />

280.15<br />

238.13<br />

180.10<br />

10<br />

15<br />

—<br />

Isoprothiolane<br />

290<br />

—<br />

290.0647<br />

—<br />

22<br />

22<br />

290.06<br />

290.06<br />

118.03<br />

204.05<br />

15<br />

15<br />

—<br />

Isoxathion<br />

313<br />

—<br />

313.0539<br />

—<br />

17<br />

17<br />

177.03<br />

313.05<br />

130.02<br />

177.03<br />

15<br />

15<br />

—<br />

Jasmolin I amd II<br />

330<br />

—<br />

330.2196<br />

—<br />

67<br />

67<br />

123.08<br />

123.08<br />

81.05<br />

69.05<br />

10<br />

10<br />

—<br />

Kadethrine<br />

474<br />

—<br />

474.1502<br />

—<br />

32<br />

32<br />

171.05<br />

171.05<br />

143.05<br />

128.04<br />

10<br />

15<br />

—<br />

Thermo Scientific <strong>Pesticide</strong> <strong>Analyzer</strong> <strong>Reference</strong> 141

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