Gas chromatographic determination of aromatic amines in water samples after solid-phase extraction and derivatization with iodine I.: Derivatization

被引:55
作者
Schmidt, TC
Less, M
Haas, R
von Löw, E
Steinbach, K
Stork, G
机构
[1] Univ Marburg, Dept Chem, D-35032 Marburg, Germany
[2] Univ Marburg, Med Ctr Hyg, D-35037 Marburg, Germany
[3] Bur Explorat Hazardous Waste Sites & Pollut Res, D-35037 Marburg, Germany
关键词
water analysis; derivatization; GC; environmental analysis; amines; aromatic; iodine;
D O I
10.1016/S0021-9673(98)00233-7
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A new method for the selective determination of aromatic amines is presented, which is based on the solid-phase extraction at pH 9 and subsequent derivatization of the analytes to the corresponding iodobenzenes. These can selectively and sensitively be determined with gas chromatography and electron-capture detection. Separation of at least 30 compounds in a single chromatographic run in 30 min is possible. With this method, 56 aromatic amines were investigated, and only in six cases no derivatives were obtained. Limits of quantitation were between 0.5 and 8 mu g l(-1), but may still be lowered with higher sample volumes or different injection techniques. The application to water samples revealed the suitability for the investigation of ground, leachate and wastewater. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:161 / 172
页数:12
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