An automatic system for the measurement of carboxylic acids (HCOOH, CH3 COOH) in the urban atmosphere by combination of an aqueous mist chamber and ion exclusion chromatography

Takaaki Mori Kami; Shigeru Tanaka; Yoshikazu Hashimoto; Tamotsu Inomata; Yuzuru Hanaoka

doi:10.2116/analsci.7.Supple_1033

An automatic system for the measurement of carboxylic acids (HCOOH, CH3 COOH) in the urban atmosphere by combination of an aqueous mist chamber and ion exclusion chromatography

Takaaki Mori Kami, Shigeru Tanaka, Yoshikazu Hashimoto, Tamotsu Inomata, Yuzuru Hanaoka

Department of Applied Chemistry

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

An automatic system for measurement of gaseous formic acid and acetic acid in the urban atmosphere was investigated by using an aqueous mist chamber and ion exclusion chromatography. The collection efficiencies of formic acid and acetic acid by mist chamber were more than 90% at 7 1/min of air flow. The lower detection limits by this automatic system were 0.036 ppbv for formic acid and 0.019 ppbv for acetic acid at 350 1 of air sampling volume. The concentration of formic acid and acetic acid in Yokohama, July, 1991 were 0.2-4.8 ppbv and 0.1-3.2 ppbv, respectively.

Original language	English
Pages (from-to)	1033-1036
Number of pages	4
Journal	analytical sciences
Volume	7
DOIs	https://doi.org/10.2116/analsci.7.Supple_1033
Publication status	Published - 1991 Jan

Keywords

acetic acid
formic acid
ion exclusion chromatography
mist chamber
urban atmosphere

ASJC Scopus subject areas

Analytical Chemistry

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An automatic system for the measurement of carboxylic acids (HCOOH, CH3 COOH) in the urban atmosphere by combination of an aqueous mist chamber and ion exclusion chromatography. / Kami, Takaaki Mori; Tanaka, Shigeru; Hashimoto, Yoshikazu; Inomata, Tamotsu; Hanaoka, Yuzuru.

In: analytical sciences, Vol. 7, 01.1991, p. 1033-1036.

Research output: Contribution to journal › Article › peer-review

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