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...

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 ...

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...

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...

Ultisil AQ-C18, 10µm, 21.2×150mm, 120Å (1pcs/pk)

P/N: H02612-31105

$1,910.00 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...

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 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...

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 ...