Welch Materials Xtimate Lactose-NH2 Guard Cartridge, 5 µm, 120 Å, 4.6 x 10 mm, 2 pk - 00808-04151

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).

Xtimate Lactose-NH2 column uses a special bonding process to make the retention of lactose on the stationary phase more stable, resulting in an extremely low RSD value for the lactose peak area. It is a dedicated column for lactose as specified in the Chinese Pharmacopoeia, Volume IV.