OBJECTIVE : To establish the chemical identification method of bismuth subcarbonate in weishusan.

目的: 建立胃舒散中主药碱式碳酸铋的化学反应鉴别方法.

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Methods: The original crude drug was identified by the optical microscope physical and chemical identification.

方法采用性状鉴定、显微鉴定与理化鉴定.

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Methods: Using literature textual criticism , macroscopic and physical and chemical identification Methods : To identify Halloysitum rubrum.

方法采用文献考证 、 性状鉴别和理化鉴别.

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