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CHEN Zongbao, XIE Jianying. Determination of Trace Vanadium by Catalytic Kinetic Spectrophotometry in Light Green SF-hydrogen Peroxide System[J]. Rock and Mineral Analysis, 2009, 28(4): 397-398.
Citation: CHEN Zongbao, XIE Jianying. Determination of Trace Vanadium by Catalytic Kinetic Spectrophotometry in Light Green SF-hydrogen Peroxide System[J]. Rock and Mineral Analysis, 2009, 28(4): 397-398.

Determination of Trace Vanadium by Catalytic Kinetic Spectrophotometry in Light Green SF-hydrogen Peroxide System

  • Based on the catalytic effect of vanadium on the discoloring reaction of light green SF oxidized by H2O2in medium of sulfuric acid, a new method for the determination of vanadium(Ⅴ) was proposed. The optimum determination condition and kinetic parameters have been investigated. The detection limit is 5.2 ng/L with linear range of 0.0~40 ng/mL for vanadium(Ⅴ). The method has been applied to the determination of trace vanadium in water and tea samples with satisfactory results.
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