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Flow-Through Sandwich PVC Matrix Membrane Electrode for Flow Injection Analysis

 

作者: S. Alegret,   J. Alonso,   J. Bartroli,   J.L. F. C. Lima,   A.A. S. C. Machado,   J.M. Paulis,  

 

期刊: Analytical Letters  （Taylor Available online 1985）
卷期: Volume 18, issue 18  

页码: 2291-2303

 

ISSN:0003-2719

 

年代: 1985

 

DOI:10.1080/00032718508068619

 

出版商: Taylor & Francis Group

 

关键词: Nitrate ion selective electrode;flow-through electrode;PVC membrane electrode;conductive epoxy support electrode;flow injection analysis;potentiometric selectivity coefficients;Reilley diagrams

 

数据来源: Taylor

 

摘要:

A flow-through sandwich potentiometric detector for FIA in which a PVC membrane sensor is applied on a conductive epoxy support is described. It allows simple replacement of the membrane when exhausted or substituition of the sensor system and shows good mechanical and electric stability. The device can be easily included in a block with a location for the reference electrode. The detector was activated with a commercial sensor selective to nitrate and its behaviour in FIA was studied. A comparison of its perfomance with that of a nitrate selective electrode of classic shape constructed by the same technique is presented.

 

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