高等学校化学学报 ›› 1993, Vol. 14 ›› Issue (2): 283.

• 研究论文 • 上一篇    下一篇

含偕胺肟基螯合纤维吸附、还原Au3+的研究(Ⅰ)——含偕胺肟基螯合纤维对Au3+的吸附行为

林伟平, 符若文, 汤丽鸳, 陆耘, 曾汉民   

  1. 中山大学材料科学研究所, 广州 510275
  • 收稿日期:1992-04-01 修回日期:1992-11-21 出版日期:1993-02-24 发布日期:1993-02-24
  • 通讯作者: 林伟平
  • 基金资助:

    国家教育委员会博士点基金;中山大学科研基金

Studies on the Adsorption and Reduction of Au3+ Ion with Chelating Fiber Containing Amidoxirne Group (Ⅰ)——Adsorption Behavior of Au(Ⅱ) Ion onto Chelating Fiber Containing Amidoxime Group

LIN Wei-Ping, FU Ruo-Wen, TANG Li-Yuan, LU Yun, ZENG Han-Min   

  1. Materials Science Institute, zhongshan University, Guangzhou, 510275
  • Received:1992-04-01 Revised:1992-11-21 Online:1993-02-24 Published:1993-02-24

摘要: 研究了含偕胺肟基螫合纤维对Au3+的吸附特征及影响吸附量的因素。结果表明,含偕胺肟基螫合纤维对Au3+的吸附量极高,而且将所吸附的Au3+还原成单质金;在含Au3+、Cu2++、Zn2+和Cr3+的溶液中,对Au3+具有相当高的吸附选择性。提高偕胺肟基在螯合纤维中的含量及吸附温度和Au3+的初始浓度等均有利于提高吸附量。

关键词: 螫合纤维, 偕胺肟基, Au3+, 吸附选择性, 单质金

Abstract: The adsorption behavior of Au(Ⅲ) ion onto the chelating fiber containing amidoxime group was investigated, and the factors to influence the adsorption capacity were discussed.The chelating fiber presents a high adsorption capacity to Au(Ⅲ) ion, and is able to reduce the adsorbed Au(Ⅲ) ion into metallic gold.In the solution containing Au(Ⅲ),Cu(Ⅱ),Zn(Ⅱ) and Cr(Ⅲ), the fiber presents a high selectivity to Au(Ⅲ).With increasing amidoxime group content in the fiber, temperature and initial concentration of Au(Ⅲ) ion, the adsorption rate and capacity increase.

Key words: Chelating fiber, Amidoxime group, Au(Ⅲ) ion.Adsorption selectivity, Metallic gold

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