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KMID : 1059519990430010036
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Journal of the Korean Chemical Society
1999 Volume.43 No. 1 p.36 ~ p.41
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Adsorptive Stripping Voltammetry of Ge(IV)-Mercaptoacetic Acid Complex
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Park Chan-Il
Seong Suk-Hee
Cha Ki-Won
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Abstract
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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 5.0x10-6M. 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.
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