Chem. J. Chinese Universities ›› 1991, Vol. 12 ›› Issue (6): 735.

• Articles • Previous Articles     Next Articles

Studies on Determination of Trace Gold by Trioctylphosphine Oxide Modified Electrode

Lu Guang-han1, Zhu Min1, Jin Li-tong2, Fang Yu-zhi2   

  1. 1. Department of Chemistry, Centrul China Normal University, Wuhan, 430070;
    2. Department of Chemistry, East China Normal University
  • Received:1989-12-29 Online:1991-06-24 Published:1991-06-24

Abstract: Apreconcentration determination method for gold(Ⅲ) in 1mol/L HCl solution with Trioctylphosphine oxide(TOPO) modified glassy carbon electrode is proposed. There is a good linear relationship between the concentration of gold(Ⅲ) and the peak height in the range of 1~20 ng/mL for glod(Ⅲ). The mechanism for electrode reaction and the condition for determining gold(Ⅲ) are discussed.

Key words: Trioctylphosphine oxide, Modified electrode, Determination of gold

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