On the identification of zinc as zinc tetrathiocyanatomercurate(II).
The presence of iron(III) at the precipitation of zinc tetrathiocyanatomercurate(II) renders the identification of zinc unambiguous.
Werner
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Institut für Pharmazeutische Chemie der Westf. Wilhelm-Universität, Hittorfstr. 58-62, D-48149 Münster, Germany.