通过化学电离质谱法测定气相氢过氧化物
Measurement of gas-phase hydroperoxides by chemical ionization mass spectrometry.
作者信息
Crounse John D, McKinney Karena A, Kwan Alan J, Wennberg Paul O
机构信息
Division of Chemistry and Chemical Engineering, California Institute of Technology, MC 150-21, 1200 East California Boulevard, Pasadena, California 91125, USA.
出版信息
Anal Chem. 2006 Oct 1;78(19):6726-32. doi: 10.1021/ac0604235.
A new method for the detection of gas-phase hydroperoxides is described. The clustering chemistry of CF3O- is exploited to produce speciated measurements of several hydroperoxides with high sensitivity and fast time response. Correspondence of airborne observations made with this technique and the established HPLC method is illustrated. CF3O- appears to be a highly versatile reagent ion for measurements of both weak and strong acids in the atmosphere.
描述了一种检测气相氢过氧化物的新方法。利用CF3O-的簇集化学特性，以高灵敏度和快速时间响应实现了几种氢过氧化物的形态测量。展示了用该技术进行的机载观测与既定的高效液相色谱法的一致性。CF3O-似乎是一种用于测量大气中弱酸和强酸的高度通用的试剂离子。
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