Exploration of Comprehensive Experiment for Caffeine Extraction and Determination of Content
This paper analyzes the present situation of chemical experiment teaching,and combined with requirements of pharmaceutical special-ty,to carry out the integration of organic chemistry and analytical chemistry experiment teaching.The experiment was designed and completed to extract caffeine from tea,and carried out the qualitative analysis of infrared spectrum,and ultraviolet spectrophotometry was used to test the caf-feine content in beverages,with overall grasp the principle of ultraviolet spectrophotometric method and testing process.This experiment teach-ing mode not only stimulated the students'interest in experiment,causes the student to deeply recognize the inner link between various branches of chemistry,but also increase the height of the students'understanding of drug quality control,which has far-reaching significance for their future work in drug testing and research and development.
万方数据
维普
