无机材料学报2000，Vol.15Issue(6)：1093-1096,4.
纺锤形α-Fe2O3成核前水解机理的研究
Hydrolysis Mechanism of Ellipsoidal α-Fe2O3 before Nucleation
李巧玲 1魏雨 2李琳1
作者信息
- 1. 华南理工大学轻化工研究所，广州510640
- 2. 河北师范大学化学系，石家庄050016
- 折叠
摘要
Abstract
The hydrolysis mechanism of Fe(III) solution is rather complicated when small amounts of phosphate ions are present. The process may be divided into two stage, namely, before and after precipitation. The former was studied by Ferron-complex ion timed spectrophotometric method in this paper. The method was used to classify the aqueous species of Fe(III) into three categories, i.e., Fe(a), Fe(b) and Fe(c), which represent their different exents of hydrolysis and polymerization, respectively. The site of phosphate was indirectly defined by the shape of Fe(III)recovery curve. The reason why the presence of phosphate can restrain the hydyolysis of Fe(III)solution is expounded. The result obtained has a specific signifitance for guiding the synthesis of uniform and ellipsoidal hematite(α-Fe2 O3) particles.关键词
纺锤形α-Fe2 O3/水解机理Key words
ellipsoidal α-Fe2 O3 particles/hydrolysis mechanism分类
信息技术与安全科学引用本文复制引用
李巧玲,魏雨,李琳..纺锤形α-Fe2O3成核前水解机理的研究[J].无机材料学报,2000,15(6):1093-1096,4.
