Multicomponent trace-gas analysis by three intracavity photoacoustic cells in a CO laser: observation of anaerobic and postanaerobic emission of acetaldehyde and ethanol in cherry tomatoes

被引：15

作者：

Bijnen, FGC ^{[1
]}

Zuckermann, H ^{[1
]}

Harren, FJM ^{[1
]}

Reuss, J ^{[1
]}

机构：

[1] Catholic Univ Nijmegen, Dept Mol & Laser Phys, NL-6525 ED Nijmegen, Netherlands

来源：

APPLIED OPTICS | 1998年 / 37卷 / 15期

关键词：

D O I：

10.1364/AO.37.003345

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Three serial photoacoustic cells are employed within the cavity of a liquid-nitrogen-cooled CO laser to monitor on-line trace-gas concentrations. Multicomponent gas analysis is performed on sequential repetitive measurements of ethylene, acetaldehyde, CO2, ethanol, and H2O. To demonstrate the high sensitivity of the laser photoacoustic detector for the biologically interesting gases, acetaldehyde (0.1-parts per billion in volume detection limit) and ethanol (10 parts per billion ir,volume), we follow the time-dependent release by cherry tomatoes during changing aerobic-anaerobic conditions. (C) 1998 Optical Society of America.

引用

页码：3345 / 3353

页数：9

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