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Welch Materials Xtimate C18 Columns

Xtimate C18 column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix. Specifically designed for liquid chromatography method development, it allows the use of a variety of mobile phase systems across a wide pH range and temperature conditions. Even under the most stringent conditions, it offers highly stable performance and a longer lifespan, with a longer service life than regular C18 columns under standard conditions.

Xtimate HPLC column derives its outstanding performance from a special hybrid partic le based technique, which coats a unique 5nm organic/inorganic polymer layer on the silica surface, so that the pH range is extended to 1.0-12.5. Xtimate column is designed for HPLC method development. Regardless of the types of mobile phase or high temperature, Xtimate HPLC column always has stable performance and long lifetime.

X features of Xtimate column

  • eXtra pH range: wide pH range from 1.0 to 12.5, excellent peak shape for strong bases
  • eXtra column lifetime: 5 times of similar product such as Gemini
  • eXtra performance: column efficiency of 5μm columns is as high as 90000/m, 2-3 times of that of Xterra
  • eXtra care from Welch: enjoy excellent pre-sales and after-sales service from Welch


Item Name Product Image Price

Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 3.0 x 100 mm - 00101-01021

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 minimizing solvent consumption. UHPLC columns use...
Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 3.0 x 100 mm - 00101-01021 £784.00
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Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 3.0 x 150 mm - 00101-01023

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 minimizing solvent consumption. UHPLC columns use...
Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 3.0 x 150 mm - 00101-01023 £880.00
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Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 3.0 x 30 mm - 00101-01018

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 minimizing solvent consumption. UHPLC columns use...
Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 3.0 x 30 mm - 00101-01018 £712.00
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Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 3.0 x 50 mm - 00101-01019

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 minimizing solvent consumption. UHPLC columns use...
Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 3.0 x 50 mm - 00101-01019 £720.00
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Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 4.6 x 100 mm - 00101-01039

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 minimizing solvent consumption. UHPLC columns use...
Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 4.6 x 100 mm - 00101-01039 £784.00
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Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 4.6 x 150 mm - 00101-01041

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 minimizing solvent consumption. UHPLC columns use...
Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 4.6 x 150 mm - 00101-01041 £880.00
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Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 4.6 x 30 mm - 00101-01036

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 minimizing solvent consumption. UHPLC columns use...
Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 4.6 x 30 mm - 00101-01036 £712.00
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Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 4.6 x 50 mm - 00101-01037

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 minimizing solvent consumption. UHPLC columns use...
Welch Materials Xtimate C18 UHPLC Column, 1.8 µm, 120 Å, 4.6 x 50 mm - 00101-01037 £720.00
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Welch Materials Xtimate C18 UHPLC Guard Cartridge, 1.8 µm, 120 Å, 2.1 x 5 mm, 2 pk - U808-101-25

Welch UHPLC guard cartridges use the same packing materials as does UHPLC column to ensure the best analysis results. When 2.0
Welch Materials Xtimate C18 UHPLC Guard Cartridge, 1.8 µm, 120 Å, 2.1 x 5 mm, 2 pk - U808-101-25 £135.00
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Welch Materials Xtimate C18 UHPLC Guard Cartridge, 1.8 µm, 120 Å, 4.0 x 5 mm, 2 pk - U808-101-45

Welch UHPLC guard cartridges use the same packing materials as does UHPLC column to ensure the best analysis results. When 2.0
Welch Materials Xtimate C18 UHPLC Guard Cartridge, 1.8 µm, 120 Å, 4.0 x 5 mm, 2 pk - U808-101-45 £135.00
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Welch Materials Xtimate DLC C18 HPLC Column, 3 µm, 120 Å, 2.1 x 100 mm - 00101-11512

The diamond coating technology enhances the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation.The high hardness and significant tensile properties of the...
Welch Materials Xtimate DLC C18 HPLC Column, 3 µm, 120 Å, 2.1 x 100 mm - 00101-11512 £614.00
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Welch Materials Xtimate DLC C18 HPLC Column, 3 µm, 120 Å, 4.6 x 150 mm - 00101-11541

The diamond coating technology enhances the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation.The high hardness and significant tensile properties of the...
Welch Materials Xtimate DLC C18 HPLC Column, 3 µm, 120 Å, 4.6 x 150 mm - 00101-11541 £673.00
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Welch Materials Xtimate DLC C18 HPLC Column, 5 µm, 120 Å, 4.6 x 150 mm - 00101-21541

The diamond coating technology enhances the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation.The high hardness and significant tensile properties of the...
Welch Materials Xtimate DLC C18 HPLC Column, 5 µm, 120 Å, 4.6 x 150 mm - 00101-21541 £644.00
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Welch Materials Xtimate DLC C18 HPLC Column, 5 µm, 120 Å, 4.6 x 250 mm - 00101-21543

The diamond coating technology enhances the inner surface of the chromatography column with strong hydrophobicity, which overcomes the adverse effects of the column wall on separation.The high hardness and significant tensile properties of the...
Welch Materials Xtimate DLC C18 HPLC Column, 5 µm, 120 Å, 4.6 x 250 mm - 00101-21543 £673.00
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