Studies on the Polarographic Adsorptive Complex Wave of Germanium-Rutin

Abstract

Abstract: In an acetate buffer solution,at pH 5.4,two sensitive adsorptive complex waves of Ge(Ⅳ)-rutin were obtained by using single-sweep polarography.They are stepewise reduction of Ge(Ⅳ) to Ge(Ⅱ) to Ge(0) in the complex,The detection limits of two waves are 8.0×10^-8 mol/Land 4.0×10^-8mol/L,respectively.The composition of the electroactive complex Ge(Ⅳ):Rt=1:3 was determined.The rate constants of surface electrode reaction(k)₁=10.5s^-1,(ks)₂=1.9s^-1 were determined.The proposed method was applied to the determination of germanium In organic gemanium tonic.

Key words: Germanium, Rutin, Polarographic adsorptive complex wave, Single-sweep polarography

TrendMD:

ZHANG Cheng-Zhi, HE Wei-Jun, LI Nan-Qiang. Studies on the Polarographic Adsorptive Complex Wave of Germanium-Rutin[J]. Chem. J. Chinese Universities, 1994, 15(1): 31.

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Studies on the Polarographic Adsorptive Complex Wave of Germanium-Rutin

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