Abstract:Proton transfer reaction mass spectrometry (PTR-MS) allows for real time, online determination of absolute concentrations of volatile organic compounds (VOCs) with a high sensitivity and low detection limits (in the parts per trillion ranges). The technique utilizes H3O+ions for proton transfer reactions with many common VOCs while having little to no reaction with any constituents commonly present in it are detected by PTR-TOF .It combines the desirable attributes of high sensitivity and short integration tim… Show more
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