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苯甲醇注射液(无痛液)在医院广泛用于青霉素注射时的止痛,但它对青霉素的效价有没有影响?未见报道,据此作了以下试验。方法与结果 1.精密称取青霉素标准品适量,共二分,用1%磷酸盐缓冲液(下称缓冲液)溶解,按抗菌素效价测定法稀释,作标准用(S_1S_2)。
Benzyl alcohol injection (painless) is widely used in hospitals for penicillin injection analgesia, but it has no effect on the titer of penicillin? Have not been reported, according to the following test. Methods and Results 1. Accurately take the appropriate amount of penicillin standard, a total of two points, with 1% phosphate buffer (hereinafter referred to as buffer) was dissolved, according to the antibiotic titer dilution, as standard (S_1S_2).