Topsil NH2, Cartridge: 3µm, 150Å, 4.6×10mm, 2pcs

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).

Topsil NH₂ offers distinct selectivity compared to other amino columns from Welch Materials. It is suitable for monosaccharide separation under reversed-phase conditions and polar compound separation under normal-phase conditions. With lower column pressure and higher efficiency, it is an economical HPLC column choice.