
Chemistry Letters p. 1245 - 1248 (1985)
Update date:2022-08-28
Topics:
Toshima, Naoki
Takahashi, Tadahito
Hirai, Hidefumi
Chloroplatinic acid in an aqueous solution was reduced by hydrogen molecules or photo-irradiation in the presence of surfactants to produce colloidal dispersions of platinum protected by the surfactants.The particles of the colloidal platinum prepared by photo-reduction were smaller in size and more narrowly dispersed than those prepared by hydrogen-reduction.They worked as highly active catalysts for hydrogenation of olefins.
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