Column Protection
P/N: 00808-04109
Xtimate Sugar-Ca, Cartridge: 8µm, 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, whil...
P/N: 00808-04110
Xtimate Sugar-H, Cartridge: 5µm, 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, whil...
P/N: 00808-04108
Xtimate Sugar-H, Cartridge: 8µm, 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, whil...
P/N: 00808-06001
Xtimate SEC-120, Cartridge: 5µm, 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, whil...
P/N: 00808-03108
Xtimate SEC-300, Cartridge: 3µm, 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, whil...
P/N: 00808-06002
Xtimate SEC-300, Cartridge: 5µm, 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, whil...
P/N: 00808-06003
Xtimate SEC-200, Cartridge: 5µm, 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, whil...
P/N: 00808-08901
Xtimate C18, Prep Cartridge: 10µm, 120Å, 30×10mm (1pcs/pk)
Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...
P/N: 00808-07010
Xtimate C18, Prep Cartridge: 10µm, 120Å, 50×10mm (1pcs/pk)
Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...
P/N: 00808-04156
Xtimate PS/DVB, Cartridge: 5µm, 100Å, 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, whil...
P/N: 00808-04157
Xtimate PS/DVB, Cartridge: 5µm, 300Å, 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, whil...
P/N: 00808-04154
Xtimate SEC-1000, Cartridge: 5µm, 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, whil...
P/N: 00808-24113
Xtimate SEC-2000, Cartridge: 5µm, 2.1×10mm, 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, whil...
P/N: 00808-26502
Xtimate SEC-300, Semi-Prep Cartridge: 5µm, 10×10mm (1pcs/pk)
Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...
P/N: 00808-06006
Xtimate SEC-700, Cartridge: 5µm, 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, whil...
P/N: 00808-04903
Xtimate C4, Prep Cartridge: 5µm, 120Å, 21.2×10mm (1pcs/pk)
Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...
P/N: 00808-15903
Xtimate C4, Prep Cartridge: 10µm, 120Å, 21.2×10mm (1pcs/pk)
Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...
P/N: 00808-04508
Xtimate Phenyl-Hexyl, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm (1pcs/pk)
Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...
P/N: 00808-04908
Xtimate Phenyl-Hexyl, Prep Cartridge: 5µm, 120Å, 21.2×10mm (1pcs/pk)
Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...
P/N: U808-102-25
Xtimate UHPLC Phenyl-Hexyl, Cartridge: 1.8µm, 120Å, 2.1×5mm, 2pcs
Welch UHPLC guard cartridges use the same packing materials as does UHPLC column to ensure the best analysis results. When 2.0 <ID ≤3.0mm, it is recommended to use 2.1×5.0mm cartridge, while whe...
P/N: U808-102-45
Xtimate UHPLC Phenyl-Hexyl, Cartridge: 1.8µm, 120Å, 4.6×5mm, 2pcs
Welch UHPLC guard cartridges use the same packing materials as does UHPLC column to ensure the best analysis results. When 2.0 <ID ≤3.0mm, it is recommended to use 2.1×5.0mm cartridge, while whe...
P/N: 00808-23301
Topsil C18, Cartridge: 3µm, 150Å, 2.1×10mm, 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, whil...
P/N: 00808-24301
Topsil C18, Cartridge: 5µm, 150Å, 2.1×10mm, 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, whil...
P/N: 00808-03301
Topsil C18, 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, whil...
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device