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.S. The “Ultimate” series columns and “Ultisil” series columns are the same product with different names to meet our global marketing strategy.

P/N: H02643-21210

$19,920.00 USD

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: H02654-21102

$1,780.00 USD

P/N: H02654-21105

$2,870.00 USD

P/N: H02654-21106

$4,130.00 USD

P/N: H02654-21108

$9,490.00 USD

Ultisil XS-C18, Cartridge: 3µm, 120Å, 2.1×10mm, 2pcs

P/N: H00808-23017

$100.00 USD

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 XS-C18, Cartridge: 5µm, 120Å, 2.1×10mm, 2pcs

P/N: H00808-24033

$66.00 USD

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 XS-C18, Cartridge: 3µm, 120Å, 4.6×10mm, 2pcs

P/N: H00808-03034

$110.00 USD

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 XS-C18, Cartridge: 5µm, 120Å, 4.6×10mm, 2pcs

P/N: H00808-04046

$68.00 USD

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 XS-C18, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm

P/N: H00808-04430

$169.00 USD

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: H02654-21102

$1,744.00 USD

P/N: H00277-21010

$580.00 USD

Ultisil XS-C18 utilizes a unique multilayer bonding process with high bonding density and close ligand spacing, providing excellent spatial shape selectivity. It offers high column efficiency, high...