Gas chromatographic determination of aromatic amines in water samples after solid-phase extraction and derivatization with iodine. II. Enrichment.
A procedure for the enrichment of aromatic amines via solid-phase extraction was developed. A HR-P phase based on styrene-divinylbenzene was used for the investigations, generally followed by derivatization with iodine and determination via GC-ECD. The recoveries of 53 aromatic amines in a drinking water matrix at pH 9 were determined. Most anilines showed relative recoveries between 80-120% with relative standard deviations of< or = 5% at concentration levels between 10 and 20 micrograms 1(-1). The comparison with a wastewater matrix led to similar results. The enrichment procedure was applied to real samples, e.g., samples of ammunition wastewater.
Medical Centre of Hygiene, Philipps-University, Marburg, Germany.
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Schmidt
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von Löw
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Stork
D000588:Amines / Q000032:analysis*; D002138:Calibration; D002849:Chromatography, Gas; D004563:Electrochemistry; D008401:Gas Chromatography-Mass Spectrometry; D006863:Hydrogen-Ion Concentration; D007202:Indicators and Reagents; D007455:Iodine / Q000737:chemistry*; D014874:Water Pollutants, Chemical / Q000032:analysis*; D014881:Water Supply / Q000032:analysis*
D000588:Amines; D007202:Indicators and Reagents; D014874:Water Pollutants, Chemical; D007455:Iodine