
Ultisil Columns
Ultisil is a broad selection of various stationary phases, each one offering familiar separation behavior in its classification. Upgrade to Ultisil to make it easy to demonstrate equivalence with the phase you might be using currently – plus, you get the Welch Advantages of Purity, Chemistry and Consistency.
Highlights
- Ultra-pure spherical porous silica, purity > 99.999%
- Tested and proven low levels of trace metal contamination
- Tenaciously-controlled bonding chemistry and end-capping
- Class-leading reproducibility, efficiency, symmetry, and lifetime
P/N: H02660-22100
Ultisil XB-C4, 5μm, 10×100mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-22101
Ultisil XB-C4, 5μm, 10×150mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-22102
Ultisil XB-C4, 5μm, 10×250mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-22103
Ultisil XB-C4, 5μm, 10×300mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-22104
Ultisil XB-C4, 5μm, 21.2×50mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-22105
Ultisil XB-C4, 5μm, 21.2×150mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-22106
Ultisil XB-C4, 5μm, 21.2×250mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-22107
Ultisil XB-C4, 5μm, 30×150mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-22108
Ultisil XB-C4, 5μm, 30×250mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-32100
Ultisil XB-C4, 10μm, 10×100mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-32101
Ultisil XB-C4, 10μm, 10×150mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-32102
Ultisil XB-C4, 10μm, 10×250mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-32103
Ultisil XB-C4, 10μm, 10×300mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-32104
Ultisil XB-C4, 10μm, 21.2×50mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-32105
Ultisil XB-C4, 10μm, 21.2×150mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-32106
Ultisil XB-C4, 10μm, 21.2×250mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-32107
Ultisil XB-C4, 10μm, 30×150mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-32108
Ultisil XB-C4, 10μm, 30×250mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-32209
Ultisil XB-C4, 10μm, 50×150mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H02660-32210
Ultisil XB-C4, 10μm, 50×250mm, 300Å
Welch preparative column uses the same packing materials as does analytical column, to ensure the best reproducibility of analysis and preparative scale. Special packing technique and stainless mod...
P/N: H00808-23011
Ultisil XB-C4, Cartridge: 3µm, 120Å, 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: H00808-24008
Ultisil XB-C4, Cartridge: 5µm, 120Å, 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: H00808-03030
Ultisil XB-C4, Cartridge: 3µm, 120Å, 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: H00808-04022
Ultisil XB-C4, 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...
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