高纯纳米氢氧化镁制备工艺  

Preparation of high-purity nanosized magnesium hydroxide

作　　者：王相田[1] 郑乾[1] 汪瑾[1] 宋兴福[1] 于建国[1] 

机构地区：[1]华东理工大学资源与环境工程学院,上海200237

出　　处：《化工学报》2005年第7期1360-1362,共3页CIESC Journal

基　　金：上海市纳米科技与产业发展促进中心项目(025207009).~~

摘　　要：High-purity nanosized magnesium hydroxide was prepared by the direct alkali hydrolysis method using hexammoniated magnesium chloride as raw material.The optimum reaction condition was obtained through experiment: the mixture of 10% sodium hydroxide and highly concentrated hexammoniated magnesium chloride reacted under a homogeneous machine for 5 h at room temperature,was deposited, filtered and washed, and then dried.The analysis of chemical composition and transmission electron microscopy (TEM) showed that the particle size was smaller than 100 nm, the content of magnesium hydroxide was about 99.7%, and the content of impurity was lower than 0.3%.High-purity nanosized magnesium hydroxide was prepared by the direct alkali hydrolysis method using hexammoniated magnesium chloride as raw material. The optimum reaction condition was obtained through experiment： the mixture of 10% sodium hydroxide and highly concentrated hexammoniated magnesium chloride reacted under a homogeneous machine for 5 h at room temperature, was deposited,filtered and washed, and then dried. The analysis of chemical composition and transmission electron microscopy （TEM） showed that the particle size was smaller than 100 nm, the content of magnesium hydroxide was about 99.7%, and the content of impurity was lower than 0.3%.

关 键 词：氢氧化镁 纳米 高纯 六氨氯化镁 

分 类 号：TQ132.2[化学工程—无机化工] TB383[一般工业技术—材料科学与工程]