APPLICATIONS OF PROTON-TRANSFER REACTIONS TO GAS-ANALYSIS

被引：56

作者：

LAGG, A ^{[1
]}

TAUCHER, J ^{[1
]}

HANSEL, A ^{[1
]}

LINDINGER, W ^{[1
]}

机构：

[1] UNIV INSTELLING ANTWERP,INST IONENPHYS,TECHNIKERSTR 25,B-2610 WILRIJK,BELGIUM

来源：

INTERNATIONAL JOURNAL OF MASS SPECTROMETRY AND ION PROCESSES | 1994年 / 134卷 / 01期

关键词：

TRACE GAS ANALYSIS; PROTON TRANSFER; HUMAN BREATH; SELECTED ION FLOW DRIFT TUBE;

D O I：

10.1016/0168-1176(94)03965-8

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

The applicability of proton transfer reactions involving H3O+ ions to trace gas analysis of methanol, ethanol and acetone in human breath is demonstrated, using a conventional Selected ion flow drift tube (SIFDT). The potential of H3O+ for trace gas analysis lies in the slightly smaller proton affinity of H2O as compared to those of many organic compounds, thus allowing for non-dissociative proton transfer to these neutrals resulting in only one product ion for each neutral trace component to be analysed.

引用

页码：55 / 66

页数：12

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