Welch Materials Xtimate C18 UHPLC Guard Cartridge, 1.8 µm, 120 Å, 2.1 x 5 mm, 2 pk - U808-101-25

Welch UHPLC guard cartridges use the same packing materials as does UHPLC column to ensure the best analysis results. When 2.0

Welch UHPLC guard cartridges for analytical columns are sold in packs, each pack containing 2 pieces (1 unit = 1 pack = 2 pcs).

Xtimate UHPLC C18 is based on 1.8 µm high-purity silica and can withstand pressures up to 15,000 psi. It utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allows the use of a variety of mobile phase systems across a wide pH range and temperature conditions. Even under the most stringent conditions, it offers highly stable performance and a longer lifespan, with a longer service life than regular C18 columns under standard conditions.