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The electrochemical reduction of ruthenium(IV) in perchloric acid solutions on platinum electrodes

โœ Scribed by J. Schauwers; F. Meuris; L. Heerman; W. D'Olieslager

Publisher
Elsevier Science
Year
1981
Tongue
English
Weight
611 KB
Volume
26
Category
Article
ISSN
0013-4686

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โœฆ Synopsis

Two reversible wavesare observed for the reduction of Ru(IV) on platinum electrodes. Each wave is the sum of two one-electron steps according to: 1st wllve Ru,(OH):: (IV)-Ru4(0H)$ (3,75)=Ru,(OH):+ (3.5) 2nd wave /wv-l Ru,(OH);+ (3,S)=Ru,(OH);+ (3.25)= Ru+(OH):+ (III) k, 4 stable Ru(II1) Potentials (as nhe) and species are given for 1 .O M HCIO, solutions; more hydrolyzed products are formed in less acid solutions. The tetrameric Ru(lII) ion slowly decomposes to a more stable Ru(III) species, probably a dimeric ion.

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