Search results: 1002 results for “C18”

P/N: 00101-27039

$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...

P/N: 00101-21043

$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...

P/N: 01710-03100-100

$968.00 USD

In the packing and purification processes, the packing material undergoes significant mechanical pressure. Therefore, the mechanical strength requirements for packing materials are generally higher...

Boltimate EXT-C18, 2.7µm, 90Å, 4.6×250mm (1pcs/pk)

P/N: 962-04043

$1,910.00 USD

A Boltimate core-shell column is constructed with a 1.7 μm solid core and a 0.5 μm porous layer. This core-shell particle design delivers high column efficiency (~200,000 plates/m) and exceptional ...

P/N: 00410-02043

$470.00 USD

Topsil C18 offers distinct selectivity compared to other C18 columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice.Quantity: 1 pcs/pk

Ultisil AQ-C18, 5µm, 21.2×50mm, 120Å (1pcs/pk)

P/N: H02612-21104

$1,660.00 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...

Ultisil Plus C18, 5µm, 4.6×150mm (1pcs/pk)

P/N: H00260-31041

$550.00 USD

Ultisil Plus series features exceptional anti-fouling capability, ensuring outstanding longevity while analyzing complex matrix samples.Ultisil Plus C18 column has a lower specific surface area, sl...

Ultisil AQ-C18, 10µm, 21.2×250mm, 120Å (1pcs/pk)

P/N: H02612-31106

$2,750.00 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...

Introducing Xtimate DLC C18 and Ultisil DLC LP-C18 to Welch Diamond DLC Column Series

July 10, 2023 —

The two newly launched diamond-coated chromatography columns by Welch Materials, Inc. in 2023 are likely still fresh in the memories of many enthusiasts! They made a dazzling entrance into the c...

Understanding the C18 Columns: Activation, Maintenance, and Usage Tips

November 5, 2024 —

Table of content Introduction Activation of C18 Columns Best Practices ...