摘要
目的:建立一种薄层扫描法测定人麻痛痹丸中士的宁的含量。方法:采用甲苯-丙酮-乙醇-浓氨试液(16:12:2:7)10℃以下放置30min以上的上层溶液作为展开剂,测定波长A=259nm,薄层扫描。结果:士的宁在0.5~4、0μg范围内线性良好,相关系数r=0.9986,平均回收率为98.48%.RSD=0.93%。结论:本法快捷、简便、准确,可用于该制剂质量的控制。
Objective:To establish a method for determination of strychnine in Renmatongbi pill by TLC-scanning. Method:The mobile phase is selected with toluene-acetone-ethanol-concentrated ammonia solution( 16: 12: 2: 7 ) below 10℃ ,lay up 30 minites, and the scanning wavelength was 259 nm. Result:The calibration curve was linear in the range of 0.5 -4.0 lag, r =0.9986,the average recovery rate was 98.48% ,RSD =0.93%. Conclusion:The method is quick ,simple and accurate. It is suitable for the content determination of strychnine in Renmatongbi pill.
出处
《安徽中医学院学报》
CAS
2006年第6期34-36,共3页
Journal of Anhui Traditional Chinese Medical College