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storage of IEX column ??

http://www.chromforum.org/viewtopic.php?t=9083

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storage of IEX column ??

Posted: Fri Aug 29, 2008 11:43 am
by rick1112
hi

i recently came across an ION exchange column (Anion exchange column ) which recommends to do storage in 20% ethanol...can i know the reason for using 20% ethanol??
..and what would be the "best" (..if there is any )storage buffer choice for anion and cation exchange columns??

Posted: Fri Aug 29, 2008 7:47 pm
by rhaefe
20% ethanol prevents microbial growth within the column.

To prepare columns for long term storage (no matter if reversed phase, anion or cation exchange, ion-exclusion etc) you should always follow the manufacturers recommendations.
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