高等学校化学学报 ›› 1996, Vol. 17 ›› Issue (9): 1384.

• 研究简报 • 上一篇    下一篇

银微盘电极上L-半胱氨酸的伏安行为研究

方宾, 方惠群, 陈洪渊   

  1. 南京大学化学系, 南京, 210093
  • 收稿日期:1995-08-28 出版日期:1996-09-24 发布日期:1996-09-24
  • 通讯作者: 陈洪渊
  • 作者简介:方宾,男,48岁,副教授,安徽师范大学访问学者.
  • 基金资助:

    国家自然科学基金

Studies on Voltammetric Behavior of L-Cysteine at Silver Microdisk Electrode

FANG Bin, FANG Hui-Qun, CHEN Hong-Yuan   

  1. Department of Chemistry, Nanjing University, Nanjing, 210093
  • Received:1995-08-28 Online:1996-09-24 Published:1996-09-24

关键词: 银微盘电极, L-半胱氨酸, 循环伏安法

Abstract: In this paper, the voltammetric behavior of L-cysteine at silver microdisk elelectrode in 0.2 mol/L HAc-NaAc buffer solution was investigated.The mechanism of electrode reaction was discussed.The possibility of the determination of L-cysteine by cathodic stripping voltammetry was examined experimentally.The dependence of reduction peak current of Ag(L-Cys) on the L-Cys concentration in the range of 5.0×10-5~2.0× 10-3 mol/Lis linear.The method has been used for determination of mixed samples with satisfactory results.

Key words: Silver microdisk electrode, L-cysteine, Cyclic voltammetry

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