演題概要

ポスター発表

第２日　５月１９日（木）　　ポスター会場（月光）

2P-25　　PDF

CIイオン選択型フローチューブ質量分析計（SIFT-MS）のソフトイオン化原理、及び揮発成分のリアルタイム測定例

(¹金陵電機・ ²Syft)
^o猪井淑雄¹・ 四方政樹¹・ 豊田潤一¹・ 松尾徹也¹・ Prince, Barry²

Selected Ion Flow Tube Mass Spectrometer (SIFT-MS) is a kind of chemical ionization (CI) mass spectrometer. It has three reagent ions (H3O+, NO+ and O2+) which enable it to produce three separate mass spectra. The three reagent ions have different ion-molecule chemistry (H3O+: proton transfer (PT) and association; NO+: charge transfer (CT), dissociative CT, association and hydride abstraction; O2+: CT, dissociative CT and hydride abstraction). These multiple reaction mechanisms are extremely important to seek maximum selectivity because it provides three different types of independent “mass spectral fingerprints”.