天气预报 > 其他 > 理想的萃取剂应具备哪些特点
理想的萃取剂应具备哪些特点
更新时间: 2020-09-25 00:00:00  

1、和原溶液中的溶剂互不相溶;

2、对溶质的溶解度要远大于原溶剂;

3、与被萃取相有密度的差别或相的不同,以便萃取后分离;

4、萃取剂不能与原溶液的溶剂反应;

5、萃取剂无毒或低毒。

关键词: 理想 具备 哪些 特点

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