guard columns vs guard frits

Richard F. Cook (cook@MIT.EDU)
Fri, 3 Dec 1999 18:14:56 -0500

Jenny is not the first person to get burned by a guard column....that's why
we use guard frits (2 micron) from Upchurch in their guard frit holder.
With frits, when something goes wrong, you only have one column to
troubleshoot and not two!

Dick

>Thanks to Jenny Shipway, Andy Alpert and Amos Heckendorf for a great
>discussion of ion exchange chromatography. I appreciate these
>mini-symposia. And, Jenny, someday, that reverse phase column in line
>before the ion exchange column might be a useful tool--so don't dismiss
>the idea!
>
>Deb McMillen
>Institute of Molecular Biology
>University of Oregon
>Eugene OR 97403