Online checkout is currently available in the U.S. Contact us to make a purchase if you live in other countries!

Holiday notice: We will be off for the Chinese Lunar New Year Holiday between Jan 25 and Feb 4. Responses may be delayed. Welch US and India operate normally.

Visit WelchLab for a comprehensive collection of laboratory consumables, including glassware, plasticware, and more!

Ultisil Columns

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.

    Brand Show all Brand
    Phase Show all Phase
    USP Classification Show all USP Classification
    Partical Size Show all Partical Size
    Column ID Show all Column ID
    Column Length Show all Column Length
    Pore Size Show all Pore Size
    Surface Area Show all Surface Area
    pH Range Show all pH Range
    Ultisil Polar RP, 5μm, 2.1×200mm
    $580.00 USD
    $580.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 2.1×250mm
    $600.00 USD
    $600.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 3.0×30mm
    $520.00 USD
    $520.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 3.0×50mm
    $530.00 USD
    $530.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 3.0×75mm
    $550.00 USD
    $550.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 3.0×100mm
    $560.00 USD
    $560.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 3.0×125mm
    $600.00 USD
    $600.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 3.0×150mm
    $580.00 USD
    $580.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 3.0×200mm
    $600.00 USD
    $600.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 3.0×250mm
    $610.00 USD
    $610.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 4.0×30mm
    $520.00 USD
    $520.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 4.0×50mm
    $530.00 USD
    $530.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 4.0×75mm
    $550.00 USD
    $550.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 4.0×100mm
    $560.00 USD
    $560.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 4.0×125mm
    $600.00 USD
    $600.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 3.9×150mm
    $660.00 USD
    $660.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 4.0×150mm
    $580.00 USD
    $580.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 4.0×200mm
    $600.00 USD
    $600.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 3.9×250mm
    $690.00 USD
    $690.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 4.0×250mm
    $610.00 USD
    $610.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 3.9×300mm
    $730.00 USD
    $730.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 4.0×300mm
    $660.00 USD
    $660.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 4.6×30mm
    $520.00 USD
    $520.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...
    Ultisil Polar RP, 5μm, 4.6×33mm
    $520.00 USD
    $520.00 USD
    Ultisil Polar RP is a polar embedded column in which a polar functional group is embedded in the carbon chain. The polar functional group close to the silica surface increases the wet ability of th...