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Adsorptive Stripping Voltammetry of Ge(IV)-Mercaptoacetic Acid Complex
Adsorptive Stripping Voltammetry of Ge(IV)-Mercaptoacetic Acid Complex
Journal of the Korean Chemical Society. 1999. Feb, 43(1): 36-41
  • Published : February 00, 1999
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Park, Chan Il
Seong, Suk Hee
Cha, Ki Won

Abstract
The adsorptive stripping voltammetric determination method of trace germanium (IV) using mercaptoacetic acid as a ligand was studied. Optimal conditions were found to be 0.25 M NaCl solution (pH 6.0) containing mercaptoacetic acid concentration of $5.0{\times}10^{-6}M$. The peak potential appeared at - 1.402 V vs. Ag/AgCl. Effects of sodium chloride concentration, mercaptoacetic acid concentration, and accumulation time for the complex of Ge(IV)-Mercaptoacetic acid on the peak current were studied. Amberlite IRC-718 chelating resin was applied to the separation of Ge(IV) from other metal ions.?????????????