
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: 00410-02035
Topsil C18, 3μm, 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: 00410-02034
Topsil C18, 3μm, 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: 00410-02033
Topsil C18, 3μm, 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.
P/N: 00410-02025
Topsil C18, 3μm, 3.0×250mm
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: 00410-02023
Topsil C18, 3μm, 3.0×150mm
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: 00410-02019
Topsil C18, 3μm, 3.0×50mm
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: 00410-02016
Topsil C18, 3μm, 2.1×250mm
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: 00410-02014
Topsil C18, 3μm, 2.1×150mm
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: 00410-02012
Topsil C18, 3μm, 2.1×100mm
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: 00410-02010
Topsil C18, 3μm, 2.1×50mm
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: U808-102-45
Xtimate UHPLC Phenyl-Hexyl, Cartridge: 1.8μm, 120Å, 4.6×5mm, 2pcs
Welch UHPLC guard cartridges use the same packing materials as does UHPLC column to ensure the best analysis results. When 2.0 <ID ≤3.0mm, it is recommended to use 2.1×5.0mm cartridge, while whe...
P/N: U808-102-25
Xtimate UHPLC Phenyl-Hexyl, Cartridge: 1.8μm, 120Å, 2.1×5mm, 2pcs
Welch UHPLC guard cartridges use the same packing materials as does UHPLC column to ensure the best analysis results. When 2.0 <ID ≤3.0mm, it is recommended to use 2.1×5.0mm cartridge, while whe...
P/N: 00808-04908
Xtimate Phenyl-Hexyl, Prep Cartridge: 5µm, 120Å, 21.2×10mm
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...
P/N: 00808-04508
Xtimate Phenyl-Hexyl, Semi-Prep Cartridge: 5µm, 120Å, 10×10mm
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...
P/N: 00808-15903
Xtimate C4, Prep Cartridge: 10µm, 120Å, 21.2×10mm
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...
P/N: 00808-04903
Xtimate C4, Prep Cartridge: 5µm, 120Å, 21.2×10mm
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...
P/N: 00808-06006
Xtimate SEC-700, Cartridge: 5µm, 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...
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P/N: 00808-04155
Xtimate SEC-500, Cartridge: 5µm, 4.6×10mm, 2pcs
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,...
P/N: 00808-26502
Xtimate SEC-300, Semi-Prep Cartridge: 5µm, 10×10mm
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...
P/N: 00808-24113
Xtimate SEC-2000, Cartridge: 5µm, 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: 00808-04154
Xtimate SEC-1000, Cartridge: 5µm, 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: 00808-04157
Xtimate PS/DVB, Cartridge: 5µm, 300Å, 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: 00808-04156
Xtimate PS/DVB, Cartridge: 5µm, 100Å, 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: 00104-01212
Xtimate UHPLC Phenyl-Hexyl, 1.8μm, 2.1×100mm,W-Port
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...
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