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primer purification - search method for primer purifying (Jan/05/2002 )

I'd like to desalt primer (20 to 50 mer)
but I have very small volumes
Help needed
tnanks for all

-mariet-

Precipitate in 95% EtOH, wash 2X in 70%

-moreyroger-

I already use this but it concentrates some salts

-mariet-

Why is it a problem with this little salt?

-Cthulhu-