Poly(vinyl chloride) membrane electrodes that are sensitive and selective to copper(II) ion were developed. The electrodes based on tetramethyl, tetraethyl and dipyrrolidine thiuram monosulfides as a neutral carrier, exhibit a Nernstian behavior to copper(II) ion in the activity range of 10−1 M to 10−6 M–10−8 M. Properties of the electrodes are briefly discussed.
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