药用矿物蒙脱石的X-射线定向衍射分析  

X-ray diffraction analysis on montmorillonite clay mineral

作　　者：翟永功[1] 冯保华[2] 廖帆[1] 次向明[1] 

机构地区：[1]北京师范大学生命科学学院生物医学研究所,北京100875 [2]北京师范大学产业中心,北京100875

出　　处：《中草药》2003年第3期262-264,共3页Chinese Traditional and Herbal Drugs

基　　金：国家新药基金资助项目 ( 96 -90 1-0 5 -2 2 0 )

摘　　要：目的　揭示蒙脱石层状晶体结构及层间吸附和膨胀性能 ,为其作为药物和药剂辅料提供科学依据。方法　将样品提纯 ,获得粒径小于 1μm的胶体 ,制成取向样品 ,进行 X-射线定向衍射分析。结果　得到了有关蒙脱石层间域在不同条件下的变化规律。结论　蒙脱石的层间吸附是可能的 ,而且定向衍射方法可以定量测定其层间距离。Object To investigate the properties of layer crystal structure and its interlayer absorption and expansibility in montmorillonits clay lattice, which provide a basis for the montmorillonite as medicine adjuvant.Methods Montmorillonite sample was separated and purified from clay minerals, and the diameter of particle was less than 1 μm in colloid, the setting film sample was ready-made, and the samples were analyzed with X-ray diffraction.Results The information of interlayer change pattern on montmori-llonite clay was obtained with different conditions.Conclusion Montmorillonite as swelling and adsorption clay minerals and form an interlayer absorption is possible and the X-ray diffraction can determine the amounts of layer distance.

关 键 词：蒙脱石 X-射线定向衍射 层间吸附 

分 类 号：R282.760.3[医药卫生—中药学]