Column Protection
Ultisil HILIC Silica, Cartridge: 5µm, 120Å, 2.1×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC Silica, Cartridge: 3µm, 120Å, 4.6×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC Silica, Cartridge: 5µm, 120Å, 4.6×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC Silica, Cartridge: 10µm, 120Å, 4.6×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil UHPLC HILIC, Cartridge: 1.8μm, 120Å, 2.1×5mm
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...
Ultisil UHPLC HILIC, Cartridge: 1.8μm, 120Å, 4.0×5mm
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...
Ultisil HILIC Silica, Prep Cartridge: 5µm, 120Å, 21.2×10mm
Welch preparative guard column cartridges uses the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating an...
Ultisil HILIC Silica, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm
Welch preparative guard column cartridges uses the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating an...
Ultisil HILIC Silica, Prep Cartridge: 5µm, 120Å, 30×10mm
Welch preparative guard column cartridges uses the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating an...
Ultisil HILIC Diol, Cartridge: 3µm, 120Å, 4.6×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC Diol, Cartridge: 5µm, 120Å, 4.6×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC NH2, Cartridge: 3µm, 120Å, 2.1×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC NH2, Cartridge: 5µm, 120Å, 2.1×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC NH2, Cartridge: 3µm, 120Å, 4.6×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC NH2, Cartridge: 5µm, 120Å, 4.6×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC Amide, Cartridge: 3µm, 120Å, 2.1×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC Amide, Cartridge: 5µm, 120Å, 2.1×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC Amide, Cartridge: 3µm, 120Å, 4.6×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC Amide, Cartridge: 5µm, 120Å, 4.6×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC Amide, Cartridge: 10µm, 120Å, 4.6×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Ultisil HILIC Amide, Semi-Prep Cartridge: 10µm, 120Å, 10×10mm
Welch preparative guard column cartridges uses the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating an...
Ultisil HILIC Amide, Prep Cartridge: 5µm, 120Å, 21.2×10mm
Welch preparative guard column cartridges uses the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating an...
Ultisil HILIC Amide, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm
Welch preparative guard column cartridges uses the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating an...
Ultisil HILIC Amphion II, Cartridge: 5µm, 120Å, 2.1×10mm
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
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