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Citation: Li Qilong, Liu Jingpeng. STUDIES ON POLAROGRAPHIC ADSORPTIVE COMPLEX WAVE OF COPPER-DMG-Na₂B₄O₇ SYST EM[J]. Chinese Journal of Applied Chemistry, ;1987, 4(4): 61-65. shu

STUDIES ON POLAROGRAPHIC ADSORPTIVE COMPLEX WAVE OF COPPER-DMG-Na₂B₄O₇ SYST EM

Li Qilong ^, ,
Liu Jingpeng

1.
Department of Chemistry, Beijing Normal University

Corresponding author: Li Qilong,
Received Date: 15 July 1986
Available Online: 5 September 1986
Fund Project:

In a supporting electrolyte containing 2×10^-4M DMG, 0.025M Na₂B₄O₇ at pH=9.4, a sensitive adsorptive complex wave of copper-DMG was obtained by using single-sweep polarography. The peak potential is -0.34V (vs. SCE). The peak height changes linearly with the concentration of copper in the range of 5×10^-8 to 3×10^-6M. The method has been applied successfully for the trace copper determination in waste water.
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STUDIES ON POLAROGRAPHIC ADSORPTIVE COMPLEX WAVE OF COPPER-DMG-Na₂B₄O₇ SYST EM