Response of Copper (II) Selective Electrode to Some Complexing Agents
- 1 January 1978
- journal article
- research article
- Published by Taylor & Francis in Analytical Letters
- Vol. 11 (5) , 415-427
- https://doi.org/10.1080/00032717808067882
Abstract
The behaviour of solid state copper (II) selective electrodes in the presence of EDTA, EGTA, NTA, humic and fulvic acids and the influence of pH on the electrode potential are described. The electrode shows near-Nernstian responses to complexing agents in solutions practically free of copper (II) ion. Response times are relatively long and the function of the electrode slowly deteriorates. Direct potentiometric measurements in the presence of complexing agents are restricted to well defined samples for which the behaviour of the electrode is accurately known.Keywords
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