Abstract

A procedure is described for the separation of 20 to 100μg of Pd(II) from 100 to 300μg of Pt(IV) in a mixture. The method is based on the selective separation of Pd(II) on silica gel, leaving Pt(IV) in the solution phase. Complete recovery of Pt(IV) in the supernate has been checked with197Pt as the radioactive indicator. The deposited palladium is extracted with dil. HCl, and the separated components are determined spectrophotometrically. A possible mechanism has been suggested.

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