Articles | Volume 4, issue 1
Regular research article
12 Feb 2015
Regular research article |  | 12 Feb 2015

Alternative strategy for manufacturing of all-solid-state reference electrodes for potentiometry

J. C. B. Fernandes and E. V. Heinke

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Cited articles

Cha, G. S., Cui, G., Yoo, J., Lee, J. S., and Nam, H.: Planar reference electrode. U.S. Patent 6,964,734 B2, 2005.
Feldman, I.: Use and Abuse of pH Measurements, Anal. Chem., 28, 1859–1866, 1956.
Fernandes, J. C. B., Kubota, L. T., and Neto, G. O.: Potentiometric sensor for L-ascorbic acid based on EVA membrane doped with copper (II), Electroanal., 11, 475–480, 1999.
Fernandes, J. C. B., Neto, G. O., Rohwedder, J. J. R., and Kubota, L. T.: Simultaneous determination of chloride and potassium in carbohydrate electrolyte beverages using an array of ion-selective electrodes controlled by a microcomputer, J. Braz. Chem. Soc., 11, 349–354, 2000.
Guth, U., Gerlach, F., Decker, M., Oelßner, W., and Vonau, W.: Solid-state reference electrodes for potentiometric sensors, J. Solid State Electrochem., 13, 27–39, 2009.
Short summary
All-solid-state reference electrodes were developed based on particles of graphite/silver/silver chloride synthesized by electroless deposition of metallic silver and silver chloride on graphite powder. These electrodes were not sensitive to abrasion, redox species, pH and high-pressure saturated steam, and were applied successfully in potentiometric cells to measure pH and potassium ions in a complex matrix by direct potentiometry and L-ascorbic acid by potentiometric titration.