Ultisil UHPLC XB-Phenyl, Cartridge: 1.8μm, 120Å, 2.1×5mm, 2pcs

Welch UHPLC guard cartridges use the same packing materials as does UHPLC column to ensure the best analysis results. When 2.0 <ID ≤3.0mm, it is recommended to use 2.1×5.0mm cartridge, while when 3.0 <ID ≤8.0mm, 4.0×5.0mm cartridge is recommended. UHPLC cartridge holder: 00808-01109.

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

Ultisil UHPLC XB-Phenyl is based on 1.8 µm high-purity silica and can withstand pressures up to 15,000 psi. It offers distinct selectivity compared to straight-chain alkyl phases, providing excellent separation for aromatic and polar compounds. It serves as an ideal replacement for most phenylpropyl-bonded silica columns on the market, with low UV and MS bleed.