Quantification of the gas phase methyl iodide using O 2 + as the reagent ion in the PTR-ToF-MS technique

Badr R’Mili,Brice Temime-Roussel,Anne Monod,Henri Wortham,Rafal Strekowski

International Journal of Mass Spectrometry（2018）

引用 5|浏览31

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摘要

•Quantification of gas phase CH3I using molecular oxygen ions is proposed.•The theoretical collision rate for the electron exchange reaction between O2+ and CH3I is calculated.•The experimental rate constant for the O2+ + CH3I reaction is obtained.

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关键词

Organic iodides,PTR-MS,Electron exchange,Chemical ionization,Methyl iodide,Atmosphere,Nuclear industry,Nuclear safety

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