交流示波极谱滴定法测定盐酸异丙嗪及其制剂的含量

DETERMINATION OF PROMETHAZINE HYDROCHLORIDE AND IT’S PREPARATION BY AC OSCILLOPOLAROGRAPHIC TITRATION

在KC1底液中,用KOH标准溶液直接滴定盐酸异丙嗪,至示波极谱图上切口的出现指示终点,本法仪器简单,操作方便,快速省时,终点直观,结果准确。

In KCI solution, Prome-thazine hydrochloride can be directlytitrated with standard KOH solution bythe appearance of the incision of Prome-thazine to indicate the end point. Thismethod is simple,rapid, accurate and givesthe same results as the official methodadopted in Chinese Pharmacopoeia.