A Method for Determination of Acrylamide in Environmental Samples by Gas Chromatography using Bromination-Dehydrobromination.
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概要
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A new method for the determination of trace amounts of acrylamide in environmental samples was developed. Acrylamide was derivatized by bromination to 2, 3-dibromopropionamide (2, 3-DBPA) . The dibromo-derivative was cleaned up through a florisil column, and converted to 2-bromopropenamide (2-BPA) by dehydrobromination with triethylamine. 2-BPA was analyzed by gas chromatography (GC) using an electron capture detector (ECD) and a fused-silica capillary column.<BR>This method was applied to several environmental samples. The detection limits of acrylamide in seawater, bottom sediment and fish were 0.02μg/ 1, 0.13μg/kg, 0.30μg/kg, respectively. The recoveries and relative standard deviations in parenthesis for sea water, bottom sediment and fish were 95% (2.9%), 85% (6.8%), 84% (5.1%), respectively. Analysis by GC/MS (NCI) was also investigated and the detection limit was 1.0pg.
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