Welch Materials Ultisil Phenyl-Ether Guard Cartridge, 5 µm, 120 Å, 4.6 x 10 mm, 2 pk - H00808-04028

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, while when column ID≥4.0mm, a 4.6×10mm cartridge is recommended. 2.1×10mm cartridge holder: 00808-01107, 4.6×10mm cartridge holder: 00808-01101 or 00808-01108(direct connect).

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

Ultisil Phenyl-Ether column is a phenyl column that utilizes a polar-embedded design incorporating ether groups into straight-chain alkane. It is suitable for separating polar and aromatic compound mixtures. Compatible with 100% aqueous phases, it offers low UV and MS bleed.