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- W2360117845 abstract "An ultrasound-assisted ion chromatographic method was developed for the determinination of hexavalent chromium in the chromium contaminated sites.Using 0.3 mol/L KC1 solution as extractant,12 soil samples were treated by ultrasonic assisted extraction for 20 min.The sample was analyzed on a Metrosep A Supp 4-250(250 mm×4.0 mm) anion separation column,using a mixture of 4 mmol/L Na_2CO_3-1 mmol/L NaHCO_3 as eluent.The method showed a good linearity(r~2= 0.999 8) in the range of 0.01-20 mg/L for the hexavalent chromium.The detection limit was 0.003 mg/L,the spiked recoveries were in the range of 96.4%-106.8%with RSDs(n=3) of 0.56%.The method was simple,rapid and accurate,and was suitable for the investigation on the chromium contaminated sites." @default.
- W2360117845 created "2016-06-24" @default.
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- W2360117845 date "2013-01-01" @default.
- W2360117845 modified "2023-09-24" @default.
- W2360117845 title "Determination of Hexavalent Chromium in Soil Sampres by Ultrasound-assisted Extraction Ion Chromatography" @default.
- W2360117845 hasPublicationYear "2013" @default.
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