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.

Xtimate SEC-700, Cartridge: 5µm, 4.6×10mm, 2pcs

P/N: 00808-06006

$300.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

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Xtimate SEC-500, Cartridge: 5µm, 4.6×10mm, 2pcs

P/N: 00808-04155

$300.00 USD

Currently out of stock. We will notify when resumed.Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm,...

Xtimate SEC-300, Semi-Prep Cartridge: 5µm, 10×10mm

P/N: 00808-26502

$774.00 USD

Welch preparative guard column cartridges use the same packing as the preparative column, which can intercept some of the same polar substances in the sample and prevent them from contaminating and...

Xtimate SEC-2000, Cartridge: 5µm, 2.1×10mm, 2pcs

P/N: 00808-24113

$280.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Xtimate SEC-1000, Cartridge: 5µm, 4.6×10mm, 2pcs

P/N: 00808-04154

$300.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Xtimate PS/DVB, Cartridge: 5µm, 300Å, 4.6×10mm, 2pcs

P/N: 00808-04157

$300.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Xtimate PS/DVB, Cartridge: 5µm, 100Å, 4.6×10mm, 2pcs

P/N: 00808-04156

$300.00 USD

Welch guard cartridges use the same packing materials as the analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use a 2.1×10mm cartridge, whil...

Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 2.1×100mm,W-Port

P/N: 00104-01212

$1,050.00 USD

Welch UHPLC columns offer high efficiency and excellent batch-to-batch reproducibility, ensuring superior chromatographic data quality while reducing the need for repeated sample analysis and minim...

Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 4.6×150mm

P/N: 00104-01041

$1,600.00 USD

Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 4.6×50mm

P/N: 00104-01037

$1,300.00 USD

Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 2.1×150mm

P/N: 00104-01014

$1,280.00 USD

Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 2.1×100mm

P/N: 00104-01012

$1,050.00 USD

Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 2.1×75mm

P/N: 00104-01011

$1,050.00 USD

Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 2.1×50mm

P/N: 00104-01010

$880.00 USD

Xtimate C18, Prep Cartridge: 10µm, 120Å, 50×10mm

P/N: 00808-07010

$694.00 USD

Xtimate C18, Prep Cartridge: 10µm, 120Å, 30×10mm

P/N: 00808-08901

$484.00 USD

P/N: 01621-31210

$23,240.00 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...