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采用双波长薄层扫描法测定抗肾衰胶囊中黄芪甲甙的含量。样品经适当提取后在硅胶板上展开,展开剂为氯仿:甲醇:水(65:35:10)下层,经扫描(扫描......
本实验采用双波长薄层扫描法测定抗肾衰胶囊中黄芪甲甙的含量.经氯仿:甲醇:水(65:35:10)下层展开,显色,薄层扫描,测得黄芪甲甙含量......