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Renyy1612

新虫 (小有名气)

[求助] CTAB 已有2人参与

CTAB在水中不能完全溶解,有固体,这个固体是形成的胶束,还是CTAB本身,加入乙醇之后,就溶解了,是因为增大了CTAB的溶解度,还是因为把胶束破坏了?

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hate_myself

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Renyy1612: 金币+5, ★有帮助 2017-04-24 19:59:59
乙醇是一种助溶剂,你的CTAB不溶解是因为水温过低,你拿个40度的水试试,马上澄清透明
2楼2017-04-24 12:24:31
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einsamm

新虫 (初入文坛)

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我使用的乙醇和水的混合溶剂,但水的含量比较少,查了相关的资料发现CTAB在这个温度下水溶性只有13g/L,但我加入的CTAB含量远大于这个量,CTAB溶于乙醇,>200g/L,那这样的话是不是就不再是原有的胶束了  而是反胶束呢?
人力有穷时
3楼2019-08-09 14:38:20
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