Effect of Chloride Ion and Ionic Strength on the Response of a Copper(II) Ion-Selective Electrode

G. B. Oglesby; W. C. Duer; F. J. Millero

doi:10.1021/ac50014a051

Effect of Chloride Ion and Ionic Strength on the Response of a Copper(II) Ion-Selective Electrode

G. B. Oglesby, W. C. Duer, F. J. Millero

Ocean Sciences

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17 Scopus citations

Abstract

The potentiometric response of the copper(II) ion-selective electrode (Ag₂S/CuS membrane) was investigated In aqueous solutions containing background electrolyte. For background electrolyte containing chloride, the electrode response, although linear with the logarithm of copper(II) activity, was not Nernstlan. For background electrolyte which contained no chloride, the electrode response was Nernstlan Irrespective of background Ionic strength.

Original language	English (US)
Pages (from-to)	877-879
Number of pages	3
Journal	Analytical Chemistry
Volume	49
Issue number	6
DOIs	https://doi.org/10.1021/ac50014a051
State	Published - May 1 1977

ASJC Scopus subject areas

Analytical Chemistry

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abstract = "The potentiometric response of the copper(II) ion-selective electrode (Ag2S/CuS membrane) was investigated In aqueous solutions containing background electrolyte. For background electrolyte containing chloride, the electrode response, although linear with the logarithm of copper(II) activity, was not Nernstlan. For background electrolyte which contained no chloride, the electrode response was Nernstlan Irrespective of background Ionic strength.",

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