Spectrophotometric Determination of Cerium (IV) With Hexacyanoruthenate as A Chromogenic Reagent*

M. C. Mehra, R. Roy And M. Katyal

Chemistry and Biochemistry Department, Universite de Moncton, Moncton, NB ElA 3E7 Canada.

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ABSTRACT:

The analytical potential of a new reaction between Ce (IV) and [Ru(CN)6]2- ions has been investigatigated for the colorimetric determination of cerium in simple matrices. The orange-brown colored species absorbing at 456 nm is sensitive toward Ce (IV) in 1.5-80 ppm range.

KEYWORDS:

Spectrophotometric; Hexacyanoruthenate; Chromogenic; Analytical