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gaoan

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Poly(ethylene  glycol)  with  number  average
molecular weights of 400 (PEG400), 1000 (PEG1000), 2000
(PEG2000), 4000 (PEG4000), 6000 (PEG6000) and 10,000
(PEG10000)  with  dihydroxyl  end  groups  were  precipitated
from THF solution into hexane.
请问是将PEG溶于四氢呋喃后,再加入己烷使得PEG析出吗?没经验,谢谢

[ Last edited by mengbaiyang on 2008-9-30 at 22:06 ]
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