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664866754

木虫 (小有名气)

[求助] azeotroped with 的意思?

The solvent was evaporated in vacuo and the residue  azeotroped with
ethanol(*2) and chromatographed on silica gel eluting with CH2Cl2/MeOH/NH3.......
请问azeotroped with ethanol是什么意思?是形成共沸溶液还是要共沸除水啊?
另外*2代表是除水两次还是乙醇用量是剩余物的两倍?

[ Last edited by 664866754 on 2011-7-4 at 18:42 ]
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【答案】应助回帖


qinhy(金币+1): 谢谢回帖~ 2011-10-07 15:33:59
664866754(金币+2): 谢谢。。。 2011-10-08 10:02:31
应该是共沸除水吧,*2可能代表除水两次。个人见解。
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2楼2011-10-07 11:01:34
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