From: Georgi Ginev (georgi_ginev$##$yahoo.com)
Date: Wed Oct 16 2002 - 09:22:17 EDT
hi,
the maximum solubility is in DMSO - 4 micro M
"I do not know how to check the quality of the new
material"
I meant the new more pure PTCDA material obtained
after sublimation/re-crystallization. How to check if
it is purer than before?
By the way, only one way for this material to form
crystals, as far as I know is molecular beam epitaxy.
I never hear that it can form crystals from dulite
solution.
Many thanks.
--- chemelf$##$gmx.net wrote:
>
> I do not know does it help you or not but I am
> working now with very
> hard soluble compounds of pyrene. Sometimes PhNO2 in
> 1:100 ratio was
> useful for recristallization of these compounds.
> o-diClBenzene also
> worked in this ratio. I did not understand what did
> you mean : "I do
> not know how to check the quality of the new
> material".
>
> Ilfir
> http://chemelf.tripod.com
>
>
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