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- W871773908 abstract "A simple and fast method for the determination of total arsenic in environmental samples was developed by flow injection-hydride generation gas-phase chemiluminesence. Arsenic was reduced to arsine by sodium borohydride in the media of 0.6 mol/L sulfuric acid. Arsine was separated by a home-made gas-liquid separator and carried to gas-phase reaction chamber, where it was reacted with ozone to generate chemiluminescence. The chemiluminescence was detected by a photomultiplier tube. A good and wide linear relationship (r=0.9996) was obtained in the range of 1-500μg/L of arsenic with a sampling frequency of 50/h. The limit of detection was 0.15μg/L and the relative standard deviation was 0.77% (20μg/L As, n=11). The method has been applied successfully to the analyses of arsenic in environmental samples and the results were in good agreement with those values obtained by hydride generation atomic absorption spectrometry." @default.
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- W871773908 date "2010-03-25" @default.
- W871773908 modified "2023-09-23" @default.
- W871773908 title "流动注射-氢化物发生-气相化学发光法测定环境样品中的总砷" @default.
- W871773908 hasPublicationYear "2010" @default.
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