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Posted by Mr Wiffy on 06/15/39 11:45
"Vimal" <vimalkumar.7@gmail.com> wrote in message
news:1144997860.273989.122500@u72g2000cwu.googlegroups.com...
| hi am working on chitosan. i have some difficulty in purification of
| chitosan. when i precipate it dil NaOH solution it give my white color
| pulp like material which on drying become compressed and turn brown.
| please suggest me solution of my preblem
WTF??? Are you lost by any chance...?
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