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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
Ultisil LP-C3, 5μm, 3.0×150mm
Ultisil LP-C3 column consists of two very bulky hydrophobic protective groups to prevent siloxane bond from hydrolysis at low pH condition. So Ultisil LP column is extremely stable in very low pH m...
Ultisil LP-C3, 5μm, 4.6×150mm
Ultisil LP-C3 column consists of two very bulky hydrophobic protective groups to prevent siloxane bond from hydrolysis at low pH condition. So Ultisil LP column is extremely stable in very low pH m...
Ultisil LP-C3, 5μm, 4.6×250mm
Ultisil LP-C3 column consists of two very bulky hydrophobic protective groups to prevent siloxane bond from hydrolysis at low pH condition. So Ultisil LP column is extremely stable in very low pH m...
Ultisil LP-C3, 5μm, 300Å, 4.6×150mm
Ultisil LP-C3 column consists of two very bulky hydrophobic protective groups to prevent siloxane bond from hydrolysis at low pH condition. So Ultisil LP column is extremely stable in very low pH m...
Ultisil LP-C3, 5μm, 300Å, 4.6×250mm
Ultisil LP-C3 column consists of two very bulky hydrophobic protective groups to prevent siloxane bond from hydrolysis at low pH condition. So Ultisil LP column is extremely stable in very low pH m...
Ultisil LP-C3, 5μm, 300Å, 7.8×250mm
Ultisil LP-C3 column consists of two very bulky hydrophobic protective groups to prevent siloxane bond from hydrolysis at low pH condition. So Ultisil LP column is extremely stable in very low pH m...
Ultisil LP-C3, 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 LP-C3, 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 LP-AQ, 5μm, 2.1×50mm
Ultisil LP-AQ column is a column that can withstand 100% aqueous phase, and can withstand strong acid conditions. It can still ensure the stability of the stationary phase at low pH values. It has ...
Ultisil LP-AQ, 5μm, 3.9×150mm
Ultisil LP-AQ column is a column that can withstand 100% aqueous phase, and can withstand strong acid conditions. It can still ensure the stability of the stationary phase at low pH values. It has ...
Ultisil LP-AQ, 5μm, 4.0×200mm
Ultisil LP-AQ column is a column that can withstand 100% aqueous phase, and can withstand strong acid conditions. It can still ensure the stability of the stationary phase at low pH values. It has ...
Ultisil LP-AQ, 5μm, 4.0×250mm
Ultisil LP-AQ column is a column that can withstand 100% aqueous phase, and can withstand strong acid conditions. It can still ensure the stability of the stationary phase at low pH values. It has ...
Ultisil LP-AQ, 5μm, 4.6×50mm
Ultisil LP-AQ column is a column that can withstand 100% aqueous phase, and can withstand strong acid conditions. It can still ensure the stability of the stationary phase at low pH values. It has ...
Ultisil LP-AQ, 5μm, 4.6×100mm
Ultisil LP-AQ column is a column that can withstand 100% aqueous phase, and can withstand strong acid conditions. It can still ensure the stability of the stationary phase at low pH values. It has ...
Ultisil LP-AQ, 5μm, 4.6×150mm
Ultisil LP-AQ column is a column that can withstand 100% aqueous phase, and can withstand strong acid conditions. It can still ensure the stability of the stationary phase at low pH values. It has ...
Ultisil LP-AQ, 5μm, 4.6×200mm
Ultisil LP-AQ column is a column that can withstand 100% aqueous phase, and can withstand strong acid conditions. It can still ensure the stability of the stationary phase at low pH values. It has ...
Ultisil LP-AQ, 5μm, 4.6×250mm
Ultisil LP-AQ column is a column that can withstand 100% aqueous phase, and can withstand strong acid conditions. It can still ensure the stability of the stationary phase at low pH values. It has ...
Ultisil LP-AQ, 5μm, 4.6×300mm
Ultisil LP-AQ column is a column that can withstand 100% aqueous phase, and can withstand strong acid conditions. It can still ensure the stability of the stationary phase at low pH values. It has ...
Ultisil LP-AQ, 5μm, 6.0×250mm
Ultisil LP-AQ column is a column that can withstand 100% aqueous phase, and can withstand strong acid conditions. It can still ensure the stability of the stationary phase at low pH values. It has ...
Ultisil LP-AQ, 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 LP-AQ, 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 XB-SCX, 5μm, 10×100mm, 120Å
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...
Ultisil XB-SCX, 5μm, 10×150mm, 120Å
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...
Ultisil XB-SCX, 5μm, 10×250mm, 120Å
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...
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