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Issue 5, 2012
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On the stability of the silver/silver sulfate reference electrode

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Abstract

The preparation and application of a simple silver/silver sulfate reference electrode for an aqueous solution, which can be used as an alternative in chloride-free systems, is reported. The electrodes are prepared by galvanostatic oxidation of silver wire in sulfate solution: the potential stability with time is measured as a function of the current density and overall charge used in oxidation. The electrode potential is also measured in a wide concentration range of sulfate and chloride solutions and an explanation of the observed stability is presented. The range of optimal conditions, crucial for the correct electrode operation, is discussed.

Graphical abstract: On the stability of the silver/silver sulfate reference electrode

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Publication details

The article was received on 06 Jan 2012, accepted on 18 Feb 2012 and first published on 13 Mar 2012


Article type: Communication
DOI: 10.1039/C2AY00011C
Anal. Methods, 2012,4, 1207-1211

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    On the stability of the silver/silver sulfate reference electrode

    M. Velický, K. Y. Tam and R. A. W. Dryfe, Anal. Methods, 2012, 4, 1207
    DOI: 10.1039/C2AY00011C

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