摘要
目的:电位滴定法测定咖啡因的含量,咖啡因中砷的法定。方法:采用电位滴定测定含量。结果:含量测定方法回收率为99.8％。结论:该方法简便,准确,重现性好。
Objective: To establish a method for determining caffeine and arsenic in the caffeine. Method: Potentiometiy. Result: The recovery rate is 99.8%. Conclusion: The method is accurate and sensitive.
出处
《中国民族民间医药》
2004年第1期39-40,共2页
Chinese Journal of Ethnomedicine and Ethnopharmacy
