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盐酸二甲双胍中双氰胺检查方法的探讨张西茹马锦秀姜建国（河北省药品检验所０５００１１）《中国药典》（１９９５年版二部）规定盐酸二甲双胍中双氰胺的检查采用薄层层析法。我们在实际工作中发现常规方法铺成的微晶纤维素（ＣＭ）薄层板展开显色后主斑点拖尾严重，且在...
Investigation of dicyandiamide in metformin hydrochloride ZHANG Xi-ru, MA Jin-xiu, JIANG Jian-guo (Chinese Pharmacopoeia, Hebei Province 050011) The Chinese Pharmacopoeia (1995 edition) stipulates that dicyandiamide in metformin hydrochloride should be inspected by TLC. We found in the actual work of the conventional method of laying of microcrystalline cellulose (CM) TLC plate developed after the main smear tail, and ...