HPLC Guard Columns and Cartridges
Waters Corp Spherisorb ODSB Guard Cartridge, 80Å, 5 µm, 4.6 mm X 30 mm, 3/pk
Spherisorb ODSB columns are general purpose, silica-based, reversed-phase C18 columns. The ODSB packing features intermediate ligand density with a specified carbon load of 11.5%.
Waters Corp Viridis CSH Fluoro-Phenyl VanGuard Pre-column, 130Å, 1.7 µm, 2.1 mm X 5 mm, 3/pk
Designed and tested for the ACQUITY UPC2 system, the Viridis sub-2-µm and 3.5 µm columns demonstrate high efficiency and resolution. The reduction and control of surface silanol activity on Viridis particles delivers, under SFC conditions, excellent peak shapes — without the use of mobile-phase additives — even for well-retained basic achiral compounds.
Waters Corp Viridis BEH VanGuard Pre-column, 130Å, 3.5 µm, 2.1 mm X 5 mm, 3/pk
The Viridis sub-2-µm and 3.5 µm columns demonstrate high efficiency and resolution. The reduction and control of surface silanol activity on Viridis particles delivers, under SFC conditions, excellent peak shapes — without the use of mobile-phase additives — even for well-retained basic achiral compounds.