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- W2393804562 abstract "It is experimentally found that the trace of Cr(Ⅵ)accelerates the decolorization of phenol red by H_2O_2 in HAc-NaAc solution. Hence a new method of determining trace Cr(Ⅵ) has been developed. The activation energy of catalytic and noncatalytic reactions has been measured. The detection limit is 1.7×10 μg/ml, the linear respondence is in the range 1μg/25ml-8μg/25ml. The effect of foreign ions has been studied and the method shows good selectivity. The proposed method has been applied to determine water samples with satisfactory results." @default.
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- W2393804562 date "1993-01-01" @default.
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- W2393804562 title "Determination of Trace Chromium by Dynamic Spectrophotometric Method" @default.
- W2393804562 hasPublicationYear "1993" @default.
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