回流提取的过滤小经验涪陵地区药品检验所（６４８００）杨修齐，谭方碧，卢红中药材及中成药定性定量和有效成分实验研究中，常采用回流提取法，回流提取中过滤操作对提取溶剂的用量、提取次数等提取效果有较大影响，民们采用下述方法过滤，缩短了提取时间，节约了溶剂。... Little experience in the filtration of reflux extraction Yanling Drug Testing Institute (64800) Yang Xiuqi, Tan Fangbi, Lu Hong Traditional Chinese herbal medicines and Chinese patent medicines Qualitative, quantitative and active ingredient experimental studies, often using reflux extraction method, reflux extraction of the filter operation on the amount of extraction solvent The number of extractions and other extraction effects have a great influence on people. People adopt the following methods to filter, shorten the extraction time, and save the solvent. ...