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Characterization of Polyamideamine-Epichlorohydrin (PAE)

http://www.chromforum.org/viewtopic.php?t=18887

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Characterization of Polyamideamine-Epichlorohydrin (PAE)

Posted: Fri Jan 27, 2012 11:39 am
by jabolko
Hello to everyone on that forum,

I would to ask is someone have experiance with characterization PAE with SEC/GPC? How do you it? What kind of mobile phase? I tried 5mM NaCl in H20, but i get to low molecular weight if I compare results in other articles?

Thanking in advantage for all help.

jabolko

Re: Characterization of Polyamideamine-Epichlorohydrin (PAE)

Posted: Fri Jan 27, 2012 4:43 pm
by tom jupille
I don't have any specific experience with PAE, but a low MW estimate is consistent with adsorption, in which case increasing the ionic strength might help.
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