
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.
P/N: 00808-24302
Topsil C8, Cartridge: 5µm, 150Å, 2.1×10mm, 2pcs
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...
P/N: 00808-23302
Topsil C8, Cartridge: 3µm, 150Å, 2.1×10mm, 2pcs
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...
P/N: 00808-04301
Topsil C18, Cartridge: 5µm, 150Å, 4.6×10mm, 2pcs
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...
P/N: 00808-03301
Topsil C18, Cartridge: 3µm, 150Å, 4.6×10mm, 2pcs
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...
P/N: 00808-24301
Topsil C18, Cartridge: 5µm, 150Å, 2.1×10mm, 2pcs
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...
P/N: 00808-23301
Topsil C18, Cartridge: 3µm, 150Å, 2.1×10mm, 2pcs
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...
P/N: 00450-01043
Topsil Silica, 5μm, 4.6×250mm
Topsil Silica is suitable for the separation of highly polar compounds and lipophilic compounds, offering distinct selectivity compared to other silica columns from Welch Materials. With lower colu...
P/N: 00450-01041
Topsil Silica, 5μm, 4.6×150mm
Topsil Silica is suitable for the separation of highly polar compounds and lipophilic compounds, offering distinct selectivity compared to other silica columns from Welch Materials. With lower colu...
P/N: 00450-01014
Topsil Silica, 5μm, 2.1×150mm
Topsil Silica is suitable for the separation of highly polar compounds and lipophilic compounds, offering distinct selectivity compared to other silica columns from Welch Materials. With lower colu...
P/N: 00430-01035
Topsil NH2, 5μm, 4.0×300mm
Topsil NH2 offers distinct selectivity compared to other amino columns from Welch Materials. It is suitable for monosaccharide separation under reversed-phase conditions and polar compound separati...
P/N: 00430-01043
Topsil NH2, 5μm, 4.6×250mm
Topsil NH2 offers distinct selectivity compared to other amino columns from Welch Materials. It is suitable for monosaccharide separation under reversed-phase conditions and polar compound separati...
P/N: 00430-01041
Topsil NH2, 5μm, 4.6×150mm
Topsil NH2 offers distinct selectivity compared to other amino columns from Welch Materials. It is suitable for monosaccharide separation under reversed-phase conditions and polar compound separati...
P/N: 00430-02043
Topsil NH2, 3μm, 4.6×250mm
Topsil NH2 offers distinct selectivity compared to other amino columns from Welch Materials. It is suitable for monosaccharide separation under reversed-phase conditions and polar compound separati...
P/N: 00430-02041
Topsil NH2, 3μm, 4.6×150mm
Topsil NH2 offers distinct selectivity compared to other amino columns from Welch Materials. It is suitable for monosaccharide separation under reversed-phase conditions and polar compound separati...
P/N: 00440-01043
Topsil CN, 5μm, 4.6×250mm
Topsil CN offers distinct selectivity compared to other cyano columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice.
P/N: 00440-01041
Topsil CN, 5μm, 4.6×150mm
Topsil CN offers distinct selectivity compared to other cyano columns from Welch Materials. With lower column pressure and higher efficiency, it is an economical HPLC column choice.
P/N: 00460-01043
Topsil Phenyl-Hexyl, 5μm, 4.6×250mm
Topsil Phenyl-Hexyl offers distinct selectivity compared to other phenyl columns from Welch Materials. It offers exceptional selectivity for compounds containing phenyl groups and short-chain alkyl...
P/N: 00460-01042
Topsil Phenyl-Hexyl, 5μm, 4.6×200mm
Topsil Phenyl-Hexyl offers distinct selectivity compared to other phenyl columns from Welch Materials. It offers exceptional selectivity for compounds containing phenyl groups and short-chain alkyl...
P/N: 00460-01041
Topsil Phenyl-Hexyl, 5μm, 4.6×150mm
Topsil Phenyl-Hexyl offers distinct selectivity compared to other phenyl columns from Welch Materials. It offers exceptional selectivity for compounds containing phenyl groups and short-chain alkyl...
P/N: 00460-01040
Topsil Phenyl-Hexyl, 5μm, 4.6×125mm
Topsil Phenyl-Hexyl offers distinct selectivity compared to other phenyl columns from Welch Materials. It offers exceptional selectivity for compounds containing phenyl groups and short-chain alkyl...
P/N: 00460-01039
Topsil Phenyl-Hexyl, 5μm, 4.6×100mm
Topsil Phenyl-Hexyl offers distinct selectivity compared to other phenyl columns from Welch Materials. It offers exceptional selectivity for compounds containing phenyl groups and short-chain alkyl...
P/N: 00460-01038
Topsil Phenyl-Hexyl, 5μm, 4.6×75mm
Topsil Phenyl-Hexyl offers distinct selectivity compared to other phenyl columns from Welch Materials. It offers exceptional selectivity for compounds containing phenyl groups and short-chain alkyl...
P/N: 00460-01037
Topsil Phenyl-Hexyl, 5μm, 4.6×50mm
Topsil Phenyl-Hexyl offers distinct selectivity compared to other phenyl columns from Welch Materials. It offers exceptional selectivity for compounds containing phenyl groups and short-chain alkyl...
P/N: 00460-01035
Topsil Phenyl-Hexyl, 5μm, 4.0×300mm
Topsil Phenyl-Hexyl offers distinct selectivity compared to other phenyl columns from Welch Materials. It offers exceptional selectivity for compounds containing phenyl groups and short-chain alkyl...
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