CRYSTALLIZATION OF FERRIC HYDROXIDE INTO SPINEL BY ADSORPTION ON COLLOIDAL MAGNETITE

被引：19
作者：
BELLEVILLE, P [1 ]
JOLIVET, JP [1 ]
TRONC, E [1 ]
LIVAGE, J [1 ]
机构：
[1] UNIV PARIS 06,CNRS,URA 1466,T54 E5,4 PL JUSSIEU,F-75252 PARIS 05,FRANCE
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 1992年 / 150卷 / 02期
关键词：
D O I：
10.1016/0021-9797(92)90214-7
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：
Interaction between "ferric hydroxide" and colloidal magnetite in alkaline medium has been characterized by transmission electron microscopy, X ray powder diffraction, Mössbauer spectroscopy, and kinetics of dissolution in acidic medium. An adsorption reaction takes place immediately. It involves an interfacial electron transfer which starts magnetite oxidation and makes ferric hydroxide transform into a spinel layer growing epitactically on the particle surface. © 1992.
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页码：453 / 460
页数：8
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