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制定了对胍基苯甲酸盐酸盐的质量标准。本品应为白色粉末,熔点(267～268℃)下分解,鉴别反应应显深红色,水溶液在202 nm和251 nm处有最大紫外吸收,本品的红外光谱应与其对照图谱基本一致,水溶液应无色澄清,pH值应为3.0～5.0,干燥失重≤0.5%,炽灼残渣≤0.1%,重金属≤0.02‰,有关物质(TLC法)<1.0%,含量(HPLC法)>99.0%。
Developed guanidinium benzoate hydrochloride quality standards. This product should be white powder, melting point (267 ~ 268 ℃) under the decomposition of the reaction should be marked deep red, 202 nm and 251 nm aqueous solution at maximum UV absorption of the product should be basically the same with the control spectrum atlas, aqueous solution Should be colorless and clear, pH value should be 3.0 to 5.0, loss on drying ≤ 0.5%, Residue on ignition ≤ 0.1%, heavy metals ≤ 0.02 ‰, TLC (related substances) <1.0%, HPLC method> 99.0%.