Column Protection
Topsil Phenyl-Hexyl, Prep Cartridge: 5µm, 150Å, 30×10mm
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...
Welchrom C18, Cartridge: 5µm, 120Å, 2.1×10mm
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...
Welchrom C18, Cartridge: 5µm, 120Å, 4.6×10mm
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...
Welchrom C8, Cartridge: 5µm, 120Å, 2.1×10mm
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...
Welchrom C8, Cartridge: 5µm, 120Å, 4.6×10mm
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...
Welchrom Vantage C18, Cartridge: 5µm, 120Å, 4.6×10mm
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...
Welchrom C18, Prep Cartridge: 5µm, 120Å, 21.2×10mm
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...
Welchrom C18, Prep Cartridge: 5µm, 120Å, 10×10mm
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...
Welchrom C18, Prep Cartridge: 5µm, 120Å, 30×10mm
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...
Boltimate C18, Cartridge: 2.7μm, 90Å, 2.1 ×5mm
Welch Boltimate guard cartridges use the same packing materials as the Boltimate column to ensure the best analysis results. When 2.0 <ID ≤ 3.0mm, it is recommended to use a 2.1×5.0mm cartridge...
Boltimate Phenyl-Hexyl, Cartridge 2.7μm, 90Å, 2.1 ×5mm
Welch Boltimate guard cartridges use the same packing materials as the Boltimate column to ensure the best analysis results. When 2.0 <ID ≤ 3.0mm, it is recommended to use a 2.1×5.0mm cartridge...
Boltimate EXT- C18, Cartridge: 2.7μm, 90Å, 2.1 ×5mm
Welch Boltimate guard cartridges use the same packing materials as the Boltimate column to ensure the best analysis results. When 2.0 <ID ≤ 3.0mm, it is recommended to use a 2.1×5.0mm cartridge...
Boltimate EXT-PFP, Cartridge 2.7μm, 90Å, 2.1 ×5mm
Welch Boltimate guard cartridges use the same packing materials as the Boltimate column to ensure the best analysis results. When 2.0 <ID ≤ 3.0mm, it is recommended to use a 2.1×5.0mm cartridge...
Boltimate LP-C18, Cartridge: 2.7μm, 90Å, 2.1 ×5mm
Welch Boltimate guard cartridges use the same packing materials as the Boltimate column to ensure the best analysis results. When 2.0 <ID ≤ 3.0mm, it is recommended to use a 2.1×5.0mm cartridge...
Boltimate C18, Cartridge: 2.7μm, 90Å, 4.0 ×5mm
Welch Boltimate guard cartridges use the same packing materials as the Boltimate column to ensure the best analysis results. When 2.0 <ID ≤ 3.0mm, it is recommended to use a 2.1×5.0mm cartridge...
Boltimate Phenyl-Hexyl, Cartridge 2.7μm, 90Å, 4.0 ×5mm
Welch Boltimate guard cartridges use the same packing materials as the Boltimate column to ensure the best analysis results. When 2.0 <ID ≤ 3.0mm, it is recommended to use a 2.1×5.0mm cartridge...
Boltimate EXT- C18, Cartridge: 2.7μm, 90Å, 4.0 ×5mm
Welch Boltimate guard cartridges use the same packing materials as the Boltimate column to ensure the best analysis results. When 2.0 <ID ≤ 3.0mm, it is recommended to use a 2.1×5.0mm cartridge...
Boltimate EXT-PFP, Cartridge 2.7μm, 90Å, 4.0 ×5mm
Welch Boltimate guard cartridges use the same packing materials as the Boltimate column to ensure the best analysis results. When 2.0 <ID ≤ 3.0mm, it is recommended to use a 2.1×5.0mm cartridge...
Boltimate LP-C18, Cartridge: 2.7μm, 90Å, 4.0 ×5mm
Welch Boltimate guard cartridges use the same packing materials as the Boltimate column to ensure the best analysis results. When 2.0 <ID ≤ 3.0mm, it is recommended to use a 2.1×5.0mm cartridge...
Blossmate PSV C18, Cartridge: 5µm, 120Å, 4.6×10mm
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...
Blossmate SAX, Cartridge: 5µm, 120Å, 4.6×10mm
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...
Blossmate PSV C18 Plus, Cartridge: 5µm, 120Å, 4.6×10mm
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...
Blossmate C18, Cartridge: 5µm, 120Å, 4.6×10mm
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...
Ultisil MM NH2/CN, Cartridge: 5µm, 120Å, 4.6×10mm
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...
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