Proton-transfer-reaction mass spectrometry (PTR-MS): on-line monitoring of volatile organic compounds at volume mixing ratios of a few pptv

被引:50
|
作者
Hansel, A [1 ]
Jordan, A [1 ]
Warneke, C [1 ]
Holzinger, R [1 ]
Wisthaler, A [1 ]
Lindinger, W [1 ]
机构
[1] Leopold Franzens Univ Innsbruck, Inst Ionenphys, A-6020 Innsbruck, Austria
来源
PLASMA SOURCES SCIENCE & TECHNOLOGY | 1999年 / 8卷 / 02期
关键词
D O I
10.1088/0963-0252/8/2/314
中图分类号
O35 [流体力学]; O53 [等离子体物理学];
学科分类号
070204 ; 080103 ; 080704 ;
摘要
A system for on-line measurements of trace compounds in air with concentrations as low as a few pptv has been developed on the basis of proton transfer reactions. The sensitivity of this system is demonstrated by means of calibration data of benzene and data on the diurnal variation of C9-alkylbenzene and its C-13-isotope in ambient air. First on-line data on the concentrations of volatile organic compounds obtained during plane flights are presented.
引用
收藏
页码:332 / 336
页数:5
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