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 LP-C18, Semi-Prep Cartridge: 10µm, 120Å, 21.2×10mm

P/N: H00808-15829

$177.00 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 LP-C18, Semi-Prep Cartridge: 10µm, 120Å, 30×10mm

P/N: H00808-08811

$200.00 USD

P/N: H00209-21009

$530.00 USD

Ultisil LP-C8 column ultilizes the same bonding technology as LP-C18, providing a classic reversed-phase retention mechanism. It is the preferred C8 column for strongly acidic and high-aqueous mobi...