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应用乙醚脱脂,氯仿萃取太极通天液中咖啡因,碘量法测定其含量,平均回收率为98.39%,RSD=1.25%。
Using ethyl ether degreasing and chloroform to extract the caffeine in Tai Chi Tongtian solution, its content was determined by iodometric method. The average recovery rate was 98.39%, RSD=1.25%.