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Volume 8 Issue 2
Nov.  2021
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Article Contents
Zhang Wenfang, Du Rong. Preparation of PVC Membrane Gold (Ⅲ) Ion-Selective Electrode Based on Diantipyrylmethane-Aucl4- and its Application[J]. Chinese Journal of Engineering, 1986, 8(2): 138-142. doi: 10.13374/j.issn1001-053x.1986.02.014
Citation: Zhang Wenfang, Du Rong. Preparation of PVC Membrane Gold (Ⅲ) Ion-Selective Electrode Based on Diantipyrylmethane-Aucl4- and its Application[J]. Chinese Journal of Engineering, 1986, 8(2): 138-142. doi: 10.13374/j.issn1001-053x.1986.02.014

Preparation of PVC Membrane Gold (Ⅲ) Ion-Selective Electrode Based on Diantipyrylmethane-Aucl4- and its Application

doi: 10.13374/j.issn1001-053x.1986.02.014
  • Received Date: 1985-09-30
    Available Online: 2021-11-16
  • A new PVC Au (111) ion-selective electrode is reported in this paper, The sensor membrane is composed of diantipyrylmethane (DAM)-Aucl4- (10 mg),dibutyl phthalate (DBP) (0.2ml), PVC (170mg). The electrode exhibited Nernstian response in the CAuCl4- ranging fnm 6×10-7 to 1×10-2M with a slope of 58±1mV/pM (22℃) in the medium 0.5M HC1. The limit of detection is 3.2×10-7M.The electrode that is used for three months continually remained good speciality. Trace gold in ores are collected and separated by foamed plastics, and are determined by this ion-selective electrode. The satisfactory results are obtained in determination of ores.

     

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      沈陽化工大學材料科學與工程學院 沈陽 110142

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