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 AQ-C18, 5μm, 4.6×250mm (1pcs/pk)

P/N: H00207-31043

$500.00 USD

Ultisil AQ-C18 is a HPLC column designed to withstand 100%–0% aqueous environments. It features a polar group as the endcapping reagent, with moderate carbon loading and low alkyl chain bonding den...

Ultisil AQ-C18, 5μm, 4.6×300mm (1pcs/pk)

P/N: H00207-31044

$610.00 USD

Ultisil AQ-C18, 5μm, 6.0×150mm (1pcs/pk)

P/N: H00207-31053

$690.00 USD

Ultisil AQ-C18, 5μm, 6.0×250mm (1pcs/pk)

P/N: H00207-31054

$730.00 USD

Ultisil AQ-C18, 5μm, 6.5×150mm (1pcs/pk)

P/N: H00207-31045

$690.00 USD

Ultisil AQ-C18, 5μm, 6.5×250mm (1pcs/pk)

P/N: H00207-31046

$730.00 USD

Ultisil AQ-C18, 5μm, 7.8×100mm (1pcs/pk)

P/N: H00207-31049

$770.00 USD

Ultisil AQ-C18, 5μm, 7.8×150mm (1pcs/pk)

P/N: H00207-31050

$890.00 USD

Ultisil AQ-C18, 5μm, 7.8×250mm (1pcs/pk)

P/N: H00207-31051

$1,050.00 USD

Ultisil AQ-C18, 10μm, 3.9×300mm (1pcs/pk)

P/N: H00207-41067

$820.00 USD

Ultisil AQ-C18, 10μm, 4.0×300mm (1pcs/pk)

P/N: H00207-41035

$600.00 USD

Ultisil AQ-C18, 10μm, 4.6×150mm (1pcs/pk)

P/N: H00207-41041

$400.00 USD

Ultisil AQ-C18, 10μm, 4.6×200mm (1pcs/pk)

P/N: H00207-41042

$400.00 USD

Ultisil AQ-C18, 10μm, 4.6×250mm (1pcs/pk)

P/N: H00207-41043

$410.00 USD

Ultisil AQ-C18, 10μm, 4.6×300mm (1pcs/pk)

P/N: H00207-41044

$430.00 USD

Ultisil Plus C18, 5μm, 10×100mm, 130Å (1pcs/pk)

P/N: H02649-21100

$1,330.00 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...