摘要
采用薄层扫描法测定健脑片中咖啡因的含量,可消除片剂中其它组分及辅料的干扰。方法简便、快速,结果准确。
A method for the TLC-densitometric determination of caffeine in Jiannao tablet has been established. The solution of sample and of standard caffeine were sootted on a si1ica gel GF254. plate anddeveloped with chloroform-ethanol-acetone-ethyl acetate(5:2:2:1).The spots were scanned with CS930 TLC Scanner atλs=270nm and λR=350nm for caffeine.The mothod is simple,rapid and accurate.
出处
《华西药学杂志》
CAS
CSCD
北大核心
1997年第4期260-261,共2页
West China Journal of Pharmaceutical Sciences