
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: 05610-21106
Topsil C18, 5μm, 21.2×250mm, 150Å
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: 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: 00410-01046
Topsil C18, 5μm, 6.5×250mm
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.
P/N: 00410-01045
Topsil C18, 5μm, 6.5×150mm
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.
P/N: 00410-01054
Topsil C18, 5μm, 6.0×250mm
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.
P/N: 00410-01053
Topsil C18, 5μm, 6.0×150mm
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.
P/N: 00410-01044
Topsil C18, 5μm, 4.6×300mm
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.
P/N: 00410-01043
Topsil C18, 5μm, 4.6×250mm
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.
P/N: 00410-01042
Topsil C18, 5μm, 4.6×200mm
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.
P/N: 00410-01041
Topsil C18, 5μm, 4.6×150mm
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.
P/N: 00410-01040
Topsil C18, 5μm, 4.6×125mm
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.
P/N: 00410-01039
Topsil C18, 5μm, 4.6×100mm
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.
P/N: 00410-01038
Topsil C18, 5μm, 4.6×75mm
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.
P/N: 00410-01037
Topsil C18, 5μm, 4.6×50mm
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.
P/N: 11410-01036
Topsil C18, 5μm, 4.6×33mm
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.
P/N: 00410-01036
Topsil C18, 5μm, 4.6×30mm
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.
P/N: 00410-01035
Topsil C18, 5μm, 4.0×300mm
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.
P/N: 00410-01067
Topsil C18, 5μm, 3.9×300mm
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.
P/N: 00410-01034
Topsil C18, 5μm, 4.0×250mm
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.
P/N: 00410-01066
Topsil C18, 5μm, 3.9×250mm
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.
P/N: 00410-01033
Topsil C18, 5μm, 4.0×200mm
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.
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