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

Only 1 left in stock! Get 10 mL Disposable HPLC Lab Syringe (100 pcs) now — before anyone else!

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

Xtimate Columns

Xtimate Columns

Xtimate is a new premium HPLC column series and is the product of several years of continuous research on advanced surface modification at Welch Materials, Inc. The Xtimate Series includes columns based on hybrid silica-polymer packing materials and those based on pure polymer media, as well as size exclusion (SEC) columns.

Clear all
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
Xtimate C18, 5μm, 3.0×50mm (1pcs/pk)
P/N: 00101-21019
$580.00 USD
$580.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 5μm, 3.0×30mm (1pcs/pk)
P/N: 00101-21018
$560.00 USD
$560.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 5μm, 2.1×250mm (1pcs/pk)
P/N: 00101-21016
$680.00 USD
$680.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 5μm, 2.1×200mm (1pcs/pk)
P/N: 00101-21015
$650.00 USD
$650.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 5μm, 2.1×150mm (1pcs/pk)
P/N: 00101-21014
$610.00 USD
$610.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 5μm, 2.1×125mm (1pcs/pk)
P/N: 00101-21013
$650.00 USD
$650.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 5μm, 2.1×100mm (1pcs/pk)
P/N: 00101-21012
$600.00 USD
$600.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 5μm, 2.1×75mm (1pcs/pk)
P/N: 00101-21011
$560.00 USD
$560.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 5μm, 2.1×50mm (1pcs/pk)
P/N: 00101-21010
$550.00 USD
$550.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 5μm, 2.1×33mm (1pcs/pk)
P/N: 00101-21071
$530.00 USD
$530.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 5μm, 2.1×30mm (1pcs/pk)
P/N: 00101-21009
$530.00 USD
$530.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 4μm, 3.9×150mm (1pcs/pk)
P/N: 00101-37067
$750.00 USD
$750.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 4μm, 4.6×250mm (1pcs/pk)
P/N: 00101-37043
$710.00 USD
$710.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 4μm, 4.6×150mm (1pcs/pk)
P/N: 00101-37041
$670.00 USD
$670.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 4μm, 4.0×250mm (1pcs/pk)
P/N: 00101-37034
$710.00 USD
$710.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 3.5μm, 4.6×250mm (1pcs/pk)
P/N: 00101-27043
$810.00 USD
$810.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 3.5μm, 4.6×150mm (1pcs/pk)
P/N: 00101-27041
$750.00 USD
$750.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 3.5μm, 4.6×100mm (1pcs/pk)
P/N: 00101-27039
$710.00 USD
$710.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 3.5μm, 4.6×75mm (1pcs/pk)
P/N: 00101-27038
$700.00 USD
$700.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 3.5μm, 4.6×50mm (1pcs/pk)
P/N: 00101-27037
$670.00 USD
$670.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 3.5μm, 4.0×250mm (1pcs/pk)
P/N: 00101-27034
$810.00 USD
$810.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 3.5μm, 4.0×150mm (1pcs/pk)
P/N: 00101-27032
$750.00 USD
$750.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 3.5μm, 3.0×150mm (1pcs/pk)
P/N: 00101-27023
$750.00 USD
$750.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...
Xtimate C18, 3.5μm, 3.0×50mm (1pcs/pk)
P/N: 00101-27019
$570.00 USD
$570.00 USD
Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allo...