Gas Chromatographic-Mass Spectrometric Determination of Toluenesulfonamides in Environmental Samples.
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概要
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A method for the determination of toluenesulfonamides in environmental samples such as river waterand bottom sediment has been developed. Toluenesulfonamides in river water were extracted with ethy acetate, and ones in bottom sediment with acetonitrile. The extracts were cleaned up by florisil column chromatography and determined by capillary gas chromatographicmass spectrometry (GC/MS) . The determination limits on river water were 0.30μg/l for o-toluenesulfonamide and 0.29μg/l for p-toluenesulfonamide. The detection limits on bottom sediment were 0.96μg/kg for o-toluenesulfonamide and 0.60μg/kg for p-toluenesulfonamide. The recoveries from river water and bottom sediment were over 90% with coefficient of variation below 6%. This method shows sufficient sensitivity, selectivity and accuracy to be applied to environmental samples.
- 日本環境化学会の論文
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