Gas chromatographic determination of aniline and nitrobenzene in ambient air

被引：0
作者：
Bartulewicz, J [1 ]
Bartulewicz, E [1 ]
Gawlowski, J [1 ]
Niedzielski, J [1 ]
机构：
[1] UNIV WARSAW,DEPT CHEM,PL-02089 WARSAW,POLAND
来源：
CHEMIA ANALITYCZNA | 1996年 / 41卷 / 06期
关键词：
aniline; nitrobenzene; sorption; preconcentration; gas chromatography;
D O I：
暂无
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The method of nitrobenzene and aniline determination in ambient air is described. Nitrobenzene undergoes sorption on Chromosorb 102 while aniline is sorbed on Chromosorb G doped with 4% of orthophosphoric acid. In both cases desorption is carried out with benzene followed by capillary gas chromatographic analysis. Desorption of aniline occurs at alkaline pH. Limits of determination for nitrobenzene and aniline are 1 and 2 mu g m(-3), respectively, if name ionization detector is used. Electron capture detector enables to decrease the limit of nitrobenzene determination down to 0.1 mu g m(-3).
引用
收藏
页码：949 / 957
页数：9
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