Chem. J. Chinese Universities ›› 1999, Vol. 20 ›› Issue (S1): 515.

• Environmental Analysis • Previous Articles     Next Articles

A New Preconcentration Method of Trace Cr(Ⅳ) in Natural Water by Collection on an Organic Solvent-Soluble Membrane Filter

GAP Pi-Ying1, GU Xue-Xin2, ZHOU Tian-Ze2, GU Hong-Chen1   

  1. 1. Institute of Technical chemical & Physics, East China University of Science & Technology, Shanghai 200237, P. R. China;
    2. Department of Chemistry, Capital Normal University, Beijing 100037, P. R. China
  • Online:1999-12-31 Published:1999-12-31

Abstract:

The determination of trace amount of Cr(Ⅳ) has received considerable attention owing to concern with environmental pollution. The most commonly used reagent for spectrophotometric determination of Cr(Ⅳ) is diphenylcarbazide(DPC).

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