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Issue 18, 2013
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An analytical quality solid-state composite reference electrode

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Abstract

A new type of all-solid-state reference electrode was designed and characterized. The electrodes are based on a polymer/inorganic salt composite and a silver/silver chloride reference element. A rigorous testing procedure was used to reveal the possible influence of pH, solution composition, as well as the concentration and mobility of ions. The tests demonstrated the insensitivity of the electrodes to the matrix effects, excellent stability of the potential readings, and significantly reduced leakage of inorganic salt. In the performed tests the composite reference electrodes were on a par with or better than the high-quality commercial reference electrodes. The reference electrodes described here are of analytical quality allowing for continuous, prolonged, and intensive usage.

Graphical abstract: An analytical quality solid-state composite reference electrode

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Publication details

The article was received on 26 Apr 2013, accepted on 24 Jun 2013 and first published on 24 Jun 2013


Article type: Paper
DOI: 10.1039/C3AN00852E
Analyst, 2013,138, 5216-5220

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    An analytical quality solid-state composite reference electrode

    Z. Mousavi, K. Granholm, T. Sokalski and A. Lewenstam, Analyst, 2013, 138, 5216
    DOI: 10.1039/C3AN00852E

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