Published:Journal of Chromatographic Science,
ISSN 0021-9665 Volume
47, Number 7, August 2009, pp. 516-522
?Determination of Low Molecular Weight Monocarboxylic
Acid Gases in the Atmosphere by Parallel Plate Diffusion Scrubber-Ion
Chromatography
?Bokyoung Lee, Yown Hwangbo, and Dong Soo Lee
Yonsei University, 134, Shinchondong, Sodaemoonku, Seoul, 120-749,
South Korea
?A
method has been developed for the determination of the concentration
of low molecular weight monocarboxylic acid gases in the atmosphere.
The method involves quantitative collection of analyte gases
using a parallel plate diffusion scrubber and subsequent ion
analysis by ion chromatography. Among the gases are formic acid,
acetic acid, propionic acid, n-butyric acid, and n-valeric acid.
Method detection limits are on the order of sub to low parts-per-trillion
by volume. The method has been successfully applied to ambient
air analysis.
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