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HPLC Columns

HPLC Columns

Welch Materials offers a wide array of column choices, including HPLC, UHPLC, GPC, SEC and Chiral. All columns are under strict quality control to guarantee reproducibility and performance of the columns.
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Topsil NH2, Cartridge 3µm, 150Å, 4.6×10mm
$50.00 USD
$50.00 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...
Topsil NH2, Cartridge 5µm, 150Å, 2.1×10mm
$28.00 USD
$28.00 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...
Topsil NH2, Cartridge 3µm, 150Å, 2.1×10mm
$48.00 USD
$48.00 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...
Topsil CN, Cartridge 5µm, 150Å, 4.6×10mm
$31.00 USD
$31.00 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...
Topsil CN, Cartridge 5µm, 150Å, 2.1×10mm
$28.00 USD
$28.00 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...
Topsil Phenyl-Hexyl, Cartridge: 5µm, 150Å, 4.6×10mm
$31.00 USD
$31.00 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...
Topsil Phenyl-Hexyl, Cartridge: 3µm, 150Å, 4.6×10mm
$50.00 USD
$50.00 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...
Topsil Phenyl-Hexyl, Cartridge: 5µm, 150Å, 2.1×10mm
$28.00 USD
$28.00 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...
Topsil Phenyl-Hexyl, Cartridge: 3µm, 150Å, 2.1×10mm
$48.00 USD
$48.00 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...
Topsil C8, Cartridge: 5µm, 150Å, 4.6×10mm
$31.00 USD
$31.00 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...
Topsil C8, Cartridge: 3µm, 150Å, 4.6×10mm
$50.00 USD
$50.00 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...
Topsil C8, Cartridge: 5µm, 150Å, 2.1×10mm
$28.00 USD
$28.00 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...
Topsil C8, Cartridge: 3µm, 150Å, 2.1×10mm
$48.00 USD
$48.00 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...
Topsil C18, Cartridge 5µm, 150Å, 4.6×10mm
$31.00 USD
$31.00 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...
Topsil C18, Cartridge 3µm, 150Å, 4.6×10mm
$50.00 USD
$50.00 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...
Topsil C18, Cartridge 5µm, 150Å, 2.1×10mm
$28.00 USD
$28.00 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...
Topsil C18, Cartridge 3µm, 150Å, 2.1×10mm
$48.00 USD
$48.00 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...
Topsil Silica, 5μm, 4.6×250mm
$420.00 USD
$420.00 USD
Topsil series HPLC column is a next-generation column introduced by Welch, besides Ultisil, Xtimate and Welchrom, this series use different silica and provide different selectivity.
Topsil Silica, 5μm, 4.6×150mm
$400.00 USD
$400.00 USD
Topsil series HPLC column is a next-generation column introduced by Welch, besides Ultisil, Xtimate and Welchrom, this series use different silica and provide different selectivity.
Topsil Silica, 5μm, 2.1×150mm
$460.00 USD
$460.00 USD
Topsil series HPLC column is a next-generation column introduced by Welch, besides Ultisil, Xtimate and Welchrom, this series use different silica and provide different selectivity.
Topsil NH2, 5μm, 4.0×300mm
$430.00 USD
$430.00 USD
Topsil series HPLC column is a next-generation column introduced by Welch, besides Ultisil, Xtimate and Welchrom, this series use different silica and provide different selectivity.
Topsil NH2, 5μm, 4.6×250mm
$420.00 USD
$420.00 USD
Topsil series HPLC column is a next-generation column introduced by Welch, besides Ultisil, Xtimate and Welchrom, this series use different silica and provide different selectivity.
Topsil NH2, 5μm, 4.6×150mm
$400.00 USD
$400.00 USD
Topsil series HPLC column is a next-generation column introduced by Welch, besides Ultisil, Xtimate and Welchrom, this series use different silica and provide different selectivity.
Topsil NH2, 3μm, 4.6×250mm
$470.00 USD
$470.00 USD
Topsil series HPLC column is a next-generation column introduced by Welch, besides Ultisil, Xtimate and Welchrom, this series use different silica and provide different selectivity.