考察药用滑石粉酸中可溶物测定方法的重复性、耐用性，分析主要影响因素。
The repeatability and durability of the method to determine the contents of acid soluble substances in medical talc powder (MTP) and the main influence factors are discussed in this paper.
方法应用粉末X射线衍射方法，对取自我国主要滑石产区的药用滑石粉样品进行衍射研究（衍射图谱分析及特征标记峰鉴别）。
METHODS The powder X ray diffraction analysis was used by spectrum X ray diffraction analysis. The characteristic marked peaks of talcum was found for identification.
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