Hamilton company offers one of the most comprehensive selections of chromatography columns in the industry Hamilton Guard columns protect your analytical HPLC column. They remove particulate contaminants and highly adsorptive compounds from samples, prolonging analytical column life. Guard columns are modular and cartridge replacement is easy and requires no tools. Guard column cartridge holders are available in stainless steel and PEEK materials. Both designs are optimized to reduce dead volume and to prevent extra column band broadening. Holders for the cartridges are reusable indefinitely. As with all Guard columns these should be installed before the analytical column and after the injection valve. Housing Material: Anodized AluminumConnecting Tube Size/Material: 1/16" O.D., 0.28 mm I.D./316 Stainless SteelCartridge Materials,Barrel: CTFEFrits: 316 Stainless SteelSleeve: 304 Stainless SteelFrit Porosity: 2 micrometersCartridge Dimension: 20 x 2.3 mm I.D.Cartridge Bed Volume: 80 microlitersParticle Size: 12 to 20 micrometers for Polymeric packings, 10 micrometers for Silica supportsChemical Compatibility: Recommended for use with virtually all solvents except high concentrations of sodium chloride. Each column is manufactured under rigorous criteria and tested for resolution and retention time accuracy.

Hamilton company offers one of the most comprehensive selections of chromatography columns in the industry Hamilton Guard columns protect your analytical HPLC column. They remove particulate contaminants and highly adsorptive compounds from samples, prolonging analytical column life. Guard columns are modular and cartridge replacement is easy and requires no tools. Guard column cartridge holders are available in stainless steel and PEEK materials. Both designs are optimized to reduce dead volume and to prevent extra column band broadening. Holders for the cartridges are reusable indefinitely.