Studies on Preconcentration and Separation of Trace Elements with Silica Gel Bonded by Acid Chrome Blue K

Abstract

Abstract: This paper reports preconcentration and separation of trace elements with silica gel bonded by acid chrome blue K(ACBK·SG).ACBK·SG is stable in the range of 6 mol/L HCl to pH=8.0 and in common organic solvents such as ethanol or acetone,Maximum adsorption capacity of Pd(Ⅱ)on ACBK·SG is 172 μmol/g,Pd(Ⅱ)and Pt(Ⅳ)of 10^-9/g can be separated from transition metal ions on ACBK·SG column and measured by spectrophotometry.

Key words: ACBK·SG, Preconcentration and separation, Spectrophotometry, Pd(Ⅱ), Pt(Ⅳ)

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ZHANG Yu-Guo, LIU Feng, LI Ke-An, LI Dong-Mei, WU Yan-Sheng, TONG Shen-Yang. Studies on Preconcentration and Separation of Trace Elements with Silica Gel Bonded by Acid Chrome Blue K[J]. Chem. J. Chinese Universities, 1995, 16(11): 1703.

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Studies on Preconcentration and Separation of Trace Elements with Silica Gel Bonded by Acid Chrome Blue K

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