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Science 2 April 1965:
Vol. 148. no. 3666, pp. 71 - 72
DOI: 10.1126/science.148.3666.71
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Articles

Cationic Glass Electrode Response in Aqueous Solutions of Sodium Chloride and Potassium Chloride

Edward W. Moore 1 and James W. Ross 1

1 Department of Medicine, Lemuel Shattuck Hospital, Tufts University Medical School, Boston, Massachusetts

The selectivity of glass electrodes suitable for potassium-ion measurements depends on the age of electrodes and the composition of the solution. An empirical equation describing the electrode potential as a function of solution composition is given for practical application in solutions containing both sodium and potassium.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)