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The use of capillary zone electrophoresis (CZE) with indirect absorbance detection for the analysis of ethyl sulfate (EtS) in serum and urine was investigated. EtS is a direct metabolite of ethanol employed as marker for recent alcohol consumption. Fused-silica capillaries of 60cm total length were either coated with cetyltrimethylammonium bromide (CTAB, 50μm I.D. capillary) or poly(diallyldimethylammonium...
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