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Inorganic Salts Trapped in Neutral Carrier Ion-Selective Electrode Membranes form Ion-Exchange Sites

 

作者: G. Horvai,   V. Horváth,   A. Farkas,   E. Pungor,  

 

期刊: Analytical Letters  （Taylor Available online 1988）
卷期: Volume 21, issue 12  

页码: 2165-2175

 

ISSN:0003-2719

 

年代: 1988

 

DOI:10.1080/00032718808059900

 

出版商: Taylor & Francis Group

 

关键词: Ion-selective electrode;ion exchange selectivity

 

数据来源: Taylor

 

摘要:

Deliberately added hydrophilic salt contaminations behave as ion-exchange sites in the plasticized PVC membrane of a neutral carrier ion-selective electrode. The added salt does not influence the potenticmetric performance of the membrane. Since the membrane without added salt is itself an ion-exchanger, its ion-exchange capacity may be linked to ionizable hydrophilic impurities.

 

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