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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 />

Mepronil<br />

Nominal<br />

Mass<br />

269<br />

—<br />

—<br />

Exact<br />

Mass<br />

269.1417<br />

—<br />

—<br />

M<br />

Defect<br />

53<br />

53<br />

53<br />

Precursor Ion<br />

(m/z)<br />

269.14<br />

269.14<br />

269.14<br />

Product Ion<br />

(m/z)<br />

199.10<br />

210.11<br />

119.06<br />

Collision Energy<br />

(eV)<br />

10<br />

10<br />

10<br />

Comments<br />

—<br />

Metalaxyl<br />

279<br />

—<br />

—<br />

—<br />

—<br />

279.1471<br />

—<br />

—<br />

—<br />

—<br />

53<br />

53<br />

53<br />

53<br />

53<br />

249.13<br />

234.12<br />

206.11<br />

206.11<br />

206.11<br />

190.10<br />

174.09<br />

132.07<br />

117.06<br />

104.05<br />

10<br />

10<br />

30<br />

50<br />

40<br />

—<br />

Metalaxyl-M (Mefenoxam)<br />

279<br />

—<br />

279.1471<br />

—<br />

53<br />

53<br />

249.13<br />

249.13<br />

249.13<br />

190.10<br />

5<br />

10<br />

—<br />

Metamitron<br />

202<br />

—<br />

202.0856<br />

—<br />

42<br />

42<br />

202.09<br />

202.09<br />

174.07<br />

186.08<br />

5<br />

10<br />

—<br />

Metazachlor<br />

277<br />

—<br />

277.0984<br />

—<br />

36<br />

36<br />

133.05<br />

209.07<br />

117.04<br />

132.05<br />

20<br />

12<br />

—<br />

Metconazole<br />

319<br />

—<br />

319.1454<br />

—<br />

46<br />

46<br />

250.11<br />

250.11<br />

195.09<br />

205.09<br />

10<br />

10<br />

All azoles prone to<br />

tailing; keep<br />

transfer line inert<br />

Methabenzthiazuron<br />

221<br />

—<br />

221.0624<br />

—<br />

28<br />

28<br />

164.05<br />

164.05<br />

164.05<br />

136.04<br />

10<br />

12<br />

—<br />

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

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