Active carbon used as preseparation agent, from which the SO42- is easily eluted has high adsorbance for four dyes.In addition, it is cheap and easily got as well.

该法所用预处理剂对染的吸附量高,而硫酸根离子于洗脱,且价廉和得。

The perservative in liquid beverage was extrcated with n-hexane.The hexane layer was subjected to cyclodextrine polymer resin colume.The colume was eluted with aqueous solution of ethanol.

用正己烷萃取液体饮中的防腐剂，使萃取液经交联树脂分离后，用乙醇溶液洗脱。

The SEM results demonstrated that the sporoderm was ground and the inclusion of the spores eluted in groups.

扫描电镜结果表明，灵芝孢子经过高速剪切粉碎破壁后，灵芝孢壁被打碎，孢子内含物质呈团状溶出。