Polarographic study of the selenocyanate complexes of zinc and cadmium

A. A. Humffray, A. M. Bond, J. S. Forrest

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Polarographic measurements on aqueous solutions containing cadmium and selenocyanate ions have shown the existence of the species CdCNSe+, Cd(CNSe)2, Cd(CNSe)3- and Cd(CNSe)42-, with stability constants (at ionic strength 2.0) of 20, 100, 440 and 1000, respectively. Under similar conditions for mixtures of zinc and selenocyanate ions, only two species, ZnCNSe+ and Zn(CNSe)2, are found, with stability constants (at ionic strength 2.0) of 5.8 and 10, respectively.

Original languageEnglish
Pages (from-to)67-71
Number of pages5
JournalJournal of Electroanalytical Chemistry and Interfacial Electrochemistry
Issue numberC
Publication statusPublished - 1967
Externally publishedYes

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