Welch Materials Ultisil PAH Guard Cartridge, 5 µm, 120 Å, 4.6 x 10 mm, 2 pk - H00808-04010

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 PAH column features a unique high-density bonding process with a high carbon load, delivering excellent chromatographic separation performance for polycyclic aromatic hydrocarbons (PAHs). It is fully compatible with EPA Method 610 for high-resolution separation of 16 PAHs. With strong spatial hindrance selectivity, it effectively separates mixtures of planar and stereostructural compounds.