【摘要】 首次用非水溶液滴定法测定黄杨宁片中生物碱的含量,本法灵敏度高,结果准确,操作简便、快捷,测得回收率为97.39%,RSD 为2.18%。更多还原

【Abstract】 A method of titration in nonaqueous solvent is used in content detremination of alkaloid tablets of Huang Yang Ning.The result displays a good linear relationship in measurement range(10-60tablets.0. 7425-4.4366g).The average recovery of samples is 97.39%.The relative standard deviation(RSD)is 2.18%.The sensitivity of the method is high,and the result is accurate,the operation is simple and rapid.更多还原