Topsil Silica, Cartridge: 5µm, 150Å, 4.6×10mm, 2pcs Cheap Original

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 Silica is suitable for the separation of highly polar compounds and lipophilic compounds, offering distinct selectivity compared to other silica columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice.