PREPARATION OF UNIFORM COLLOIDAL METALLIC RUTHENIUM AND ITS COMPOUNDS

被引：19

作者：

PORTA, F

HSU, WP

MATIJEVIC, E

机构：

[1] Department of Chemistry, Clarkson University, Potsdam

来源：

COLLOIDS AND SURFACES | 1990年 / 46卷 / 01期

基金：

美国国家科学基金会;

关键词：

Metallic Compounds--Preparation - Potassium Compounds - Powders - Ruthenium Compounds--Solutions - Urea;

D O I：

10.1016/0166-6622(90)80048-9

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Colloidal spherical particles of narrow size distribution of a ruthenium double salt, (NH3)2RuIII(NO)·2RuIVOCO3·5H2O, were obtained by aging solutions of ruthenium chloride containing K2SO4 and urea at elevated temperatures. The amorphous product was readily converted to RuO2 by calcination at 400°C. The same original powder, dried and then heated at 250-300°C in a stream of H2 yielded metallic ruthenium. To preserve particle morphology the original powder was coated with silica before calcination. © 1990.

引用

页码：63 / 74

页数：12

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