头孢氨苄分子中含卜内酸胺环，经碱水解后，可用剩余碘量法测定含量，中国药典和英国药典均采用此法测定其胶囊剂的含量。我们发现该法操作误差大，特对其影响因素进行了探讨。l＃试品港问过程的历响头抱氨个微溶于水（1：1000～1：500），含量测定采用水作溶剂。若未充分研细 Cephalotherellin molecules containing Bulun amine ring, after alkaline hydrolysis, the remaining iodine content can be measured, Chinese Pharmacopoeia and the British Pharmacopoeia are used to determine the content of capsules. We found that the method of operating errors, especially its impact factors were discussed. L # # Hong Kong asked the process of the calendar head ammonia slightly soluble in water (1: 1000 ~ 1: 500), the determination of the use of water as a solvent. If not fully research