五氯化锑的水解过程  

Hydrolysis of antimony pentachloride

作　　者：郑国渠[1] 支波[1] 陈进中[2] 

机构地区：[1]浙江工业大学化学工程与材料学院,杭州310014 [2]中南大学冶金科学与工程学院,长沙410083

出　　处：《中国有色金属学报》2006年第9期1628-1633,共6页The Chinese Journal of Nonferrous Metals

摘　　要：研究五氯化锑及其盐酸溶液的水解过程。结果表明:锑的水解率随加水量的增加而升高;陈化时间增加,其水解率提高。X射线衍射和扫描电镜能谱分析表明:五氯化锑及其盐酸溶液的初始水解产物不是SbO2Cl,而是一种非晶态锑氧化合物;随着水解母液酸度的降低,五氯化锑溶液水解产物陈化五天后的晶型由非晶态向晶态变化;五氯化锑溶液水解产物经无水乙醇洗涤后水解产物仍为非晶态,而经蒸馏水洗涤虽主要为非晶态,但有少部分结晶的Sb2O5.4H2O晶体存在。The hydrolysis process of antimony pentachloride and its hydrochloric acid solution was studied. The results indicate that the hydrolysis rate of antimony increases with increasing the addition of water and the aging time. The analysis of X-ray diffraction and scanning electron microscope energy dispersion spectra show that the primary hydrolysis products of antimony pentachloride and its hydrochloric acid solution are amorphous antimony oxide rather than SbO2 Cl. With decreasing acid concentration in the mother liquid, the hydrolysis products of antimony pentachloride transforms from amorphous to crystalline after aging of 5 d. The hydrolysis product washed by ethanol is amorphous, while the product washed by distilled water is amorphous containing a little ShoO5 · 4H2O crystalline.

关 键 词：五氯化锑 五氧化二锑 水解 晶型 

分 类 号：TF123[冶金工程—粉末冶金]