【摘要】 研究了一种连续萃取装置,并用这种装置代替Soxhlet萃取器进行了提取实验.结果表明,使用这种装置具有操作简便;减少溶剂消耗,降低实验成本;适合少量物质的提取;更不容易损坏;提取效率高,缩短实验时间的优点更多还原

【Abstract】 A the kind consecutive extraction instruments are researched in this paper,by using the instruments to extract caffeine instead of Soxhlet extractor.It is demonstrated that these instruments have many advantages as follows:The operation is simple convenient;Decreasing the consumption of solvent,lowering the cost of experiment;Suitable for extracting a small amount of materials;It’s not easily damaged;High extraction effectiveness can shorten the time of experiment.更多还原