Waters, 186007666, Atlantis Silica HILIC VanGuard Cartridge, 100Å, 3 µm, 2.1 mm X 5 mm, 3/pk

Atlantis Silica HILIC VanGuard Cartridge, 100 Å, 3 µm, 2.1 × 5 mm is used to protect compatible Atlantis HILIC analytical columns from particulate and strongly retained contamination before it reaches the main separation bed. The guard cartridge contains spherical silica with 3 µm particles and 100 Å pores in a 2.1 mm internal diameter by 5 mm length format. It is optimized for hydrophilic interaction chromatography and is designed to match 2.1 mm and 3.0 mm internal-diameter Atlantis HILIC columns containing 3 µm sorbent. The cartridge operates over a stated pH range of 1–5 and supports pressures up to 18,000 psi (1240 bar). Placing the matched guard at the inlet can extend analytical-column lifetime while minimizing extra-column dispersion. The package contains three cartridges, providing replacements for routine HILIC workflows involving polar analytes and contamination-prone sample matrices.