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. 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
GAP Pi-Ying, GU Xue-Xin, ZHOU Tian-Ze, GU Hong-Chen. A New Preconcentration Method of Trace Cr(Ⅳ) in Natural Water by Collection on an Organic Solvent-Soluble Membrane Filter[J]. Chem. J. Chinese Universities, 1999, 20(S1): 515.