Posts Tagged ‘reverse phase’

A C18 is a C18, right?

    Sorry, that actually is not true. Although many methods only list the USP code L1 for all C18 HPLC columns, there are many different varieties of C18 columns available from Restek. Here are some of the ways they may differ:   Differences in Silica Depending on the silica particle that the C18 phase […]

Resurrecting an old reverse phase LC column- should I, could I, how would I???

Well, if we had an Easter egg hunt and you found an egg that was from last year or the year before, you could probably tell the difference and you would know pretty quickly if it had gone bad.  Let’s just say that is not so easy with HPLC columns. If you’ve dealt with this […]