Journal of the Chemical Society, Dalton Transactions p. 1213 - 1216 (1982)
Update date:2022-07-30
Topics:
Mills, Andrew
The redox catalytic properties of ruthenium dioxide hydrate (RuO2*xH2O) were studied using a test system of Ce(4+) in 0.5 mol dm-3 H2SO4.In powder form RuO2*xH2O appeared a poor redox catalyst unless bound to an inert support, such as titanium dioxide (TiO2).This was attributed to the production of ruthenium tetraoxide (RuO4), which was observed with RuO2*xH2O and a RuO2*xH2O-TiO2 mixture but not with a TiO2-bound RuO2 catalyst.In the absence of a catalyst, or when TiO2 or Al2O3 were used, no decay of the Ce(4+) was observed (t>200 h).
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