Bob,
I used anion exchange resins (free base form). Worked fine if you use an
excess. Try a few resins to find the best one.
Good luck,
Michael Breslav
R.W.Johnson PRI
Spring House, PA
----------------------------------------
> Hi,
>
>
> I know that removing TFA from peptide has been discussed before but I
> cannot find my file. I need a good and convenient method for removing TFA
> from peptide after c-18 column. Thanks.
>
>
> Bob
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