Aqueous Solutions of Colloidal Ruthenium: the Radiation–Chemical Preparation and Optical Absorption

被引：0
|
作者：
A. F. Seliverstov
N. L. Sukhov
B. G. Ershov
机构：
[1] Russian Academy of Sciences,Institute of Physical Chemistry
来源：
Colloid Journal | 2002年 / 64卷
关键词：
Polymer; Alcohol; Aqueous Solution; Isopropyl Alcohol; Ruthenium;
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摘要：
The radiation-chemical reduction of Ru(III) is studied in aqueous RuCl3 solutions containing isopropyl alcohol. In the presence of sodium polyacrylate, the stable sols of metal are formed with spherical particles 4–8 nm in diameter. The optical spectrum of nanoparticles is characterized by an increasing absorption in the UV spectral region with no maximum (ε200 = 7.2 × 1030 l mol–1 cm–1). The colloids of ruthenium in an aqueous solution are stable in the open air.
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页码：781 / 783
页数：2
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