UniverSil columns are an economical alternative to many of the older brands on the marketplace. UniverSil BIO is designed to be a replacement for your old Vydac columns  All of the phases have very similar physical characteristics meaning that UniverSil will provide similar selectivity and resolution to your current chromatography. 

Use UniverSil to upgrade your method in terms of peak shape, robustness and reproducibility, or just to provide an economical alternative to your current column.  UniverSil silica is a new Type B silica meaning improved peak shape and improved lifetime.

UniverSil BIO is a suitable alternative to the Vydac phases below :