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A bismuth（Ⅲ） PVC membrane ion selective electrode based on5-（3,4,5-trimethoxyphenyl）-4-amino-1,2,4-triazole-3-thiol

中国化学快报：英文版, 2015 (9), p.1147-1149 [Peer Reviewed Journal]

ISSN: 1001-8417 ;EISSN: 1878-5964

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  • Title:
    A bismuth（Ⅲ） PVC membrane ion selective electrode based on5-（3,4,5-trimethoxyphenyl）-4-amino-1,2,4-triazole-3-thiol
  • Author: Hai-Xia Wang Zhen-Ning Yan Xiang-Li Wen Yun-Xia Kang Shuang-Yan Zhang
  • Subjects: EDTA滴定法 ; PVC膜电极 ; 性能特点 ; 甲氧基苯基 ; 离子选择性电极 ; 能斯特响应 ; 重金属离子 ; 铋（Ⅲ）
  • Is Part Of: 中国化学快报：英文版, 2015 (9), p.1147-1149
  • Description: The construction,performance characteristics and application of a new bismuth（Ⅲ） PVC membrane electrode based on 5-（3,4,5-trimethoxyphenyl）-4-amino-1,2,4-triazole-3-thiol are reported in this paper.The designed sensor exhibited a Nernstian response for Bi^3＋ ion ranging from 5.0×10^-7 mol/L to1.0×10^-2 mol/L with a slope of 19.8 mV/decade.The operational pH range of the sensor is 3.0-6.0.The electrode shows a response time of 6 s and can be used for at least five weeks without any considerable divergence in potentials.It exhibits very good selectivity relative to a wide variety of alkali,alkaline earth,transition and heavy metal ions.The proposed electrode could be used as an indicator electrode in potentiometric titration of Bi^3＋ ions with EDTA and in the determination of Bi^3＋ content in stomach medicine.
  • Language: English
  • Identifier: ISSN: 1001-8417
    EISSN: 1878-5964
  • Source: Geneva Foundation Free Medical Journals at publisher websites
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