Abstract
The possibility of using plasticized polyvinyl chloride film membranes with dispersed electroactive substances (MgNH4PO4, BiPO4, and CrPO4) for developing electrodes selective for hydrogen phosphate ions has been investigated. It is shown that a chromium(III) phosphate-based electrode is characterized by the linearity range KT-1-KT-6 M of the hydrogen phosphate function with a slope of 26.5 mV/pc and a satisfactory selectivity in the presence of chloride, nitrate, sulfate, and hydrogen carbonate ions.
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Alekseev, V.G., Gorelov, I.P. & Kornilov, M.V. Membrane electrodes selective for hydrogen phosphate ions. J Anal Chem 55, 1055–1057 (2000). https://doi.org/10.1007/BF02757331
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DOI: https://doi.org/10.1007/BF02757331