Applications involving the iodide ion-X determination of copper and analysis of cation mixtures and alloys.
A rapid, accurate and highly selective method has been developed for estimation of copper, based on separating it as the slightly soluble copper(I) iodide, and potentiometric back-titration of unreacted iodide, in the filtrate, with mercury(II). By its aid binary, ternary and quaternary mixtures as well as a variety of copper alloys have been successfully analysed.
Khalifa
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Chemistry Department Cairo University Cairo, U.A.R.
El-Gazzar
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EA