How does the molecular velocity distribution affect kinetics measurements by time-resolved mass spectrometry?

被引：22
|
作者：
Taatjes, Craig A. [1 ]
机构：
[1] Sandia Natl Labs, Combust Res Facil, Livermore, CA 94551 USA
来源：
INTERNATIONAL JOURNAL OF CHEMICAL KINETICS | 2007年 / 39卷 / 10期
关键词：
D O I：
10.1002/kin.20262
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The equations governing the time fidelity in molecular-beam mass sampling are derived for supersonic-beam sampling, where the velocity distribution is well-fitted by a displaced Maxwell-Boltzmann distribution. Supersonic sampling is shown to offer much higher fidelity than the corresponding effusive-beam sampling, and rules of thumb are derived for the validity of kinetic measurements for supersonic-beam sampling. (C) 2007 Wiley Periodicals, Inc.
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页码：565 / 570
页数：6
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