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- W2369968606 abstract "In 1.0 mol/LH2SO4 solution a rapid and simple flow-injection spectrophotometric method has been developed for Cr(Ⅵ) determination,based on the violet-red Cr(Ⅵ)-diphenylcarbazone chelates formed by reactions. The results show,under optimized conditions, the maximum absorption of the complex is at 540 nm and the detection limits of the method is 0.0136 mg/L for Cr(Ⅵ) and Beer's law is obeyed for Cr(Ⅵ) in the range of 0.03～1.60 mg/L. The determination frequency is 100/h. The relative standard deviation of eleven replicates is less than 4.0%. The remarkable characteristics of this method are better selectivity, higher sensitivity, higher analytical speed and simpler operation." @default.
- W2369968606 created "2016-06-24" @default.
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- W2369968606 date "2007-01-01" @default.
- W2369968606 modified "2023-09-23" @default.
- W2369968606 title "Flow injection spectrophotometric determination of trace Cr(VI) in tanning wastewater" @default.
- W2369968606 hasPublicationYear "2007" @default.
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