EVALUATION OF ADSORBENTS FOR SAMPLING AND QUANTITATIVE-ANALYSIS OF MICROBIAL VOLATILES USING THERMAL DESORPTION-GAS CHROMATOGRAPHY

被引:47
|
作者
SUNESSON, AL
NILSSON, CA
ANDERSSON, B
机构
[1] National Institute of Occupational Health, Analytical Chemistry Division, S-907 13 Umeå
关键词
D O I
10.1016/0021-9673(95)00025-I
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Eight adsorbents were evaluated for sampling and quantitative analysis of microbially produced volatiles using thermal desorption-gas chromatography. The adsorbents studied were Tenax TA, Tenax GR, Chromosorb 102, Carbotrap C, Carbopack B, Anasorb 727, Anasorb 747 and Porasil C/n-octane (Durapak). The study was performed using a test atmosphere consisting of ten compounds differing in polarity and volatility: a-propanol, dimethyl disulfide, toluene, furfural, 1-octen-3-ol, 3-octanone, 3-octanol, 2-isopropyl-3-methoxypyrazine, 2-methylisoborneol and geosmin. The adsorbents were tested under conditions found in ''sick buildings''-low mu g/m(3) levels and varying humidity. Tenax TA proved to have the best properties considering the amount obtained, breakthrough and standard deviation during sampling/analysis.
引用
收藏
页码:203 / 214
页数:12
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