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目的建立乌拉地尔注射液细菌内毒素检查方法.方法根据《中国药典2010年版二部》附录检验方法,用鲎试剂对乌拉地尔注射液进行干扰实验,确立乌拉地尔注射液细菌内毒素检查法.结果乌拉地尔注射液稀释浓度至0.2mg?ml-1后对鲎试剂无干扰作用,用标示灵敏度0.5EU?mL-1的鲎试剂检查实验有效.结论细菌内毒素检查法可用于检查乌拉地尔注射液中的内毒素.“,”Objective To study the interference factors of BET for Urapidil Injection. Methods The experiment was carried out according to the bacterial endotoxin test method indexed in the appendix of China Pharmacopeia(second part,2010 Edition).By interfering test, the inhibition/enhancement action of Urapidil Injection was studied. Results 0.2mg?ml-1 solution of Urapidil Injection didn’t inhibit or enhance the test, and it was effective that endotoxin could be tested by amebocyte lysate with accuracy of 0.5EU?mL-1. Conclusion The Bacteria Endotoxin in Urapidil Injection can be determined with BET method.