FTIR photoacoustic trace gas detection

被引：5
|
作者：
Olafsson, A [1 ]
Hansen, GI [1 ]
Loftsdottir, AS [1 ]
Jakobsson, S [1 ]
机构：
[1] Univ Iceland, Inst Sci, IS-107 Reykjavik, Iceland
来源：
PHOTOACOUSTIC AND PHOTOTHERMAL PHENOMENA: TENTH INTERNATIONAL CONFERENCE | 1999年 / 463卷
关键词：
D O I：
10.1063/1.58047
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
A new design of a multipass photoacoustic cell intended for FTIR measurements is reported. In spite of the intracell reflections the walt signal is negligible. Comparison with transmission measurements using a fundamental band of COS show a sensitivity equivalent to a 3 m transmission cell. Detection limit for COS is estimated 0.1 ppm corresponding to alpha(min) = 10(-5)/cm.
引用
收藏
页码：208 / 210
页数：3
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