Chemiluminescence Determination of Trace Molybdenum(Ⅵ) by H2O2-I--Luminol System

Abstract

Abstract: A inderect chemiluminescence method for determination of trace Mo(Ⅵ) has been presented in this paper. The principle of the method is that the reaction of I^- with H₂O₂ is accelereted by Mo(Ⅵ) to produce I₂, and I₂ oxidize luminol to produce chemiluminescence. The detection limit is 6×10^-10g/cm³ Mo. The linear arnge of the calibration cuvers is 1 × 10^-9~1×10^-7g/cm³ Mo. The relative standard deviation is less than 6%. This method has been used for the .determination of trace Mo in the grains.

Key words: Chemiluminescence, Coupled reaction, Trace analysis, Molybdenum

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Zhang Zhujun, Lu Jiuru, Zhang Xinrong, Liang Yarning . Chemiluminescence Determination of Trace Molybdenum(Ⅵ) by H₂O₂-I^--Luminol System[J]. Chem. J. Chinese Universities, 1988, 9(5): 519.

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Chemiluminescence Determination of Trace Molybdenum(Ⅵ) by H₂O₂-I^--Luminol System

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