Welch Materials Ultisil XB-C8 Guard Cartridge, 5 µm, 120 Å, 2.1 x 10 mm, 2 pk - H00808-24002

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 XB-C8 column features ultrapure silica matrix and is processed with high surface coverage and complete double-endcapping technology. It provides excellent peak shapes for acidic, basic, and neutral compounds. With slightly weaker retention than C18, it is recommended for the separation of strongly hydrophobic compounds.