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目的:建立测定注射用盐酸头孢替安含量的测定方法;方法:采用电位滴定法来分析盐酸头孢替安的含量;结果:该方法的精密度RSD=0.39%(n=10),回收率达到99.6%;结论:该方法准确方便,能够达到测定注射用盐酸头孢替安的要求。
OBJECTIVE: To establish a method for the determination of cefotiam hydrochloride for injection. Methods: The content of cefotiam hydrochloride was determined by potentiometric titration. Results: The precision of this method was 0.39% (n = 10), the recovery rate reached 99.6% .Conclusion: The method is accurate and convenient, and can meet the requirements of determination of cefotiam hydrochloride for injection.