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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.

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Xtimate C4, Cartridge: 5µm, 120Å, 2.1×10mm
$40.00 USD
$40.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate C4, Cartridge: 3µm, 120Å, 2.1×10mm
$63.00 USD
$63.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate Phenyl-Hexyl, Cartridge: 5µm, 120Å, 4.6×10mm
$43.00 USD
$43.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate Phenyl-Hexyl, Cartridge: 3µm, 120Å, 4.6×10mm
$66.00 USD
$66.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate Phenyl-Hexyl, Cartridge: 5µm, 120Å, 2.1×10mm
$40.00 USD
$40.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate Phenyl-Hexyl, Cartridge: 3µm, 120Å, 2.1×10mm
$63.00 USD
$63.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate C8, Cartridge: 10µm, 120Å, 4.6×10mm
$37.00 USD
$37.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate C8, Cartridge: 5µm, 120Å, 4.6×10mm
$43.00 USD
$43.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate C8, Cartridge: 3µm, 120Å, 4.6×10mm
$66.00 USD
$66.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate C8, Cartridge: 5µm, 120Å, 2.1×10mm
$40.00 USD
$40.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate C8, Cartridge: 3µm, 120Å, 2.1×10mm
$63.00 USD
$63.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate C18, Cartridge: 10µm, 120Å, 4.6×10mm
$37.00 USD
$37.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate C18, Cartridge: 5µm, 120Å, 4.6×10mm
$43.00 USD
$43.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate C18, Cartridge: 3µm, 120Å, 4.6×10mm
$66.00 USD
$66.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate C18, Cartridge: 5µm, 120Å, 2.1×10mm
$40.00 USD
$40.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate C18, Cartridge: 3µm, 120Å, 2.1×10mm
$63.00 USD
$63.00 USD
Welch guard cartridges uses the same packing materials as does analytical column to ensure the best analysis results. When HPLC column ID<4.0mm, it is recommended to use 2.1×10mm cartridge, whil...
Xtimate G-10, 14×400mm, 1/pk
$1,300.00 USD
$1,300.00 USD
Xtimate G-10 Dextran Gel Chromatography Column utilizes GE Healthcare Sephadex G-10 dextran gel packing material. It is a specialized column, as described in the 2010 edition of the Chinese Pharmac...
Xtimate G-10, 14×300mm, 1/pk
$1,200.00 USD
$1,200.00 USD
Xtimate G-10 Dextran Gel Chromatography Column utilizes GE Healthcare Sephadex G-10 dextran gel packing material. It is a specialized column, as described in the 2010 edition of the Chinese Pharmac...
Xtimate SEC-2000, 5μm, 7.8×300mm
$1,610.00 USD
$1,610.00 USD
Xtimate SEC (size exclusion chromatography), also known as “global protein hydrophilic modified silica column”, is made from ultra-high purity, stable silica bonded with hydrophilic polymer and dio...
Xtimate SEC-2000, 5μm, 7.8×50mm
$500.00 USD
$500.00 USD
Xtimate SEC (size exclusion chromatography), also known as “global protein hydrophilic modified silica column”, is made from ultra-high purity, stable silica bonded with hydrophilic polymer and dio...
Xtimate SEC-2000, 5μm, 4.6×300mm
$1,610.00 USD
$1,610.00 USD
Xtimate SEC (size exclusion chromatography), also known as “global protein hydrophilic modified silica column”, is made from ultra-high purity, stable silica bonded with hydrophilic polymer and dio...
Xtimate SEC-2000, 5μm, 4.6×150mm
$1,400.00 USD
$1,400.00 USD
Xtimate SEC (size exclusion chromatography), also known as “global protein hydrophilic modified silica column”, is made from ultra-high purity, stable silica bonded with hydrophilic polymer and dio...
Xtimate SEC-2000, 5μm, 2.1×150mm
$1,300.00 USD
$1,300.00 USD
Xtimate SEC (size exclusion chromatography), also known as “global protein hydrophilic modified silica column”, is made from ultra-high purity, stable silica bonded with hydrophilic polymer and dio...
Xtimate SEC-1000, 5μm, 7.8×300mm
$1,610.00 USD
$1,610.00 USD
Xtimate SEC (size exclusion chromatography), also known as “global protein hydrophilic modified silica column”, is made from ultra-high purity, stable silica bonded with hydrophilic polymer and dio...