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.

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

P/N: H00808-03001

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

P/N: H00808-04001

$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 XB-C18, Cartridge: 5µm, 300Å, 4.6×10mm, 2pcs

P/N: H00808-04018

$80.00 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 XB-C18, Cartridge: 10µm, 120Å, 4.6×10mm, 2pcs

P/N: H00808-05001

$64.00 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 UHPLC XB-C18, Cartridge: 1.8μm, 120Å, 2.1×5mm, 2pcs

P/N: HU808-201-25

$168.00 USD

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 XB-C18, Cartridge: 1.8μm, 120Å, 4.0×5mm, 2pcs

P/N: HU808-201-45

$168.00 USD

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

P/N: H00808-04401

$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...

Ultisil XB-C18, Semi-Prep Cartridge: 5µm, 300Å, 10×10mm

P/N: H00808-24418

$194.00 USD

Ultisil XB-C18, Prep Cartridge: 5µm, 120Å, 21.2×10mm

P/N: H00808-14801

$352.00 USD

Ultisil XB-C18, Prep Cartridge: 5µm, 300Å, 21.2×10mm

P/N: H00808-14818

$403.00 USD

Ultisil XB-C18, Semi-Prep Cartridge: 10µm, 120Å, 10×10mm

P/N: H00808-05401

$161.00 USD

Ultisil XB-C18, Prep Cartridge: 10µm, 120Å, 21.2×10mm

P/N: H00808-15801

$177.00 USD

Ultisil XB-C18, Prep Cartridge: 5µm, 120Å, 30×10mm

P/N: H00808-08601

$452.00 USD

Ultisil XB-C18, Prep Cartridge: 5µm, 300Å, 30×10mm

P/N: H00808-08610

$484.00 USD

P/N: H00201-21009

$420.00 USD

Ultisil XB-C18 is one of the most versatile C18 analytical columns on the market. It features advanced bonding and double-endcapping technology, delivering nearly perfect peak shapes. This column i...