
Normal/Reversed Phase Columns
P/N: 00104-21022
Xtimate Phenyl-Hexyl, 5μm, 3.0×125mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-21021
Xtimate Phenyl-Hexyl, 5μm, 3.0×100mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-21020
Xtimate Phenyl-Hexyl, 5μm, 3.0×75mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-21019
Xtimate Phenyl-Hexyl, 5μm, 3.0×50mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-21018
Xtimate Phenyl-Hexyl, 5μm, 3.0×30mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-21016
Xtimate Phenyl-Hexyl, 5μm, 2.1×250mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-21015
Xtimate Phenyl-Hexyl, 5μm, 2.1×200mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-21014
Xtimate Phenyl-Hexyl, 5μm, 2.1×150mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-21013
Xtimate Phenyl-Hexyl, 5μm, 2.1×125mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-21012
Xtimate Phenyl-Hexyl, 5μm, 2.1×100mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-21011
Xtimate Phenyl-Hexyl, 5μm, 2.1×75mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-21010
Xtimate Phenyl-Hexyl, 5μm, 2.1×50mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-21071
Xtimate Phenyl-Hexyl, 5μm, 2.1×33mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-21009
Xtimate Phenyl-Hexyl, 5μm, 2.1×30mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-27043
Xtimate Phenyl-Hexyl, 3.5μm, 4.6×250mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-27041
Xtimate Phenyl-Hexyl, 3.5μm, 4.6×150mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-27039
Xtimate Phenyl-Hexyl, 3.5μm, 4.6×100mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-27037
Xtimate Phenyl-Hexyl, 3.5μm, 4.6×50mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-11043
Xtimate Phenyl-Hexyl, 3μm, 4.6×250mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-11042
Xtimate Phenyl-Hexyl, 3μm, 4.6×200mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-11041
Xtimate Phenyl-Hexyl, 3μm, 4.6×150mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-11040
Xtimate Phenyl-Hexyl, 3μm, 4.6×125mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-11039
Xtimate Phenyl-Hexyl, 3μm, 4.6×100mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
P/N: 00104-11038
Xtimate Phenyl-Hexyl, 3μm, 4.6×75mm
Xtimate Phenyl-Hexyl column utilizes Welch's patented organic-inorganic hybrid surface technology to modify the silica gel matrix, extending the pH stability range to 1.0–12.5. It offers excellent ...
Column Specifications
C18 Columns
Series | Column | pH Range | Max Temperature | Max Pressure Tolerance |
Ultisil Series | Ultisil LP-C18 | 0.5-8.0 |
70 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
40 MPa (≥5 μm) 60 MPa (<5 μm) |
Ultisil LP-Aq | 1.0-8.0 | |||
Ultisil XB-C18 | 2.0-8.0 |
60 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
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Ultisil AQ-C18 | 2.0-8.0 | |||
Ultisil Plus C18 | 2.0-8.0 | |||
Ultisil Alk C18 | 2.0-8.0 | |||
Ultisil PAH | 2.0-8.0 | |||
Ultisil Polar RP | 2.0-8.0 | |||
Ultisil ODS-3 | 2.0-8.0 | |||
Ultisil XS-C18 | 2.0-8.0 | |||
Ultisil Plus LP-C18 | 0.5-8.0 | |||
Xtimate Series | Xtimate C18 | 1.0-12.5 |
70 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
40 MPa (≥5 μm) 60 MPa (<5 μm) |
Xtimate Polar RP | 1.0-12.5 | |||
Blossmate Series | Blossmate C18 | 2.0-8.0 | 60 °C | 40 MPa |
Blossmate Aqs C18 | 2.0-8.0 | |||
Blossmate ST-C18 | 1.0-11.0 | |||
Topsil Series | Topsil C18 | 2.0-8.0 |
60 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
40 MPa |
Welchrom Series | Welchrom C18 | 2.0-8.0 | 60 °C | 40 MPa |
Welchrom Vantage C18 | 2.0-8.0 | 60 °C | 40 MPa | |
Boltimate Series | Boltimate C18 | 2.0-8.0 |
60 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
60 MPa |
Boltimate EXT-C18 | 1.5-12.0 | |||
Boltimate LP-C18 | 1.0-8.0 |
C8, C4, C3, C1 and Phenyl Columns
Series | Column | pH Range | Max Temperature | Max Pressure Tolerance |
Ultisil Series | Ultisil XB-C8 | 2.0-8.0 |
60 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
40 MPa (≥5 μm) 60 MPa (<5 μm) |
Ultisil LP-C8 | 1.0-8.0 |
70 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
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Ultisil F-C8 | 2.0-8.0 |
60 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
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Ultisil Plus-C8 | 2.0-8.0 | |||
Ultisil XB-Phenyl | 2.0-8.0 | |||
Ultisil Phenyl-Ether | 2.0-8.0 | |||
Ultisil PFP | 2.0-8.0 | |||
Ultisil Plus-phenyl | 2.0-8.0 | |||
Ultisil XB-C4 | 2.0-8.0 | |||
Ultisil LP-C3 | 1.0-8.0 |
70 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
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Ultisil XB-C30 | 2.0-8.0 |
60 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
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Ultisil XB-C1 | 2.0-8.0 | |||
Ultisil XB-CN | 2.0-8.0 | |||
Ultisil LP-CN | 1.0-8.0 | |||
Xtimate Series | Xtimate C8 | 1.0-12.5 |
70 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
40 MPa (≥5 μm) 60 MPa (<5 μm) |
Xtimate Phenyl-Hexyl | 1.0-12.5 | |||
Xtimate C4 | 1.0-12.5 | |||
Blossmate Series | Blossmate C4 | 2.0-8.0 | 60 °C | 40 MPa |
Blossmate Phenyl | 2.0-8.0 | |||
Topsil Series | Topsil C8 | 2.0-8.0 |
60 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
40 MPa |
Topsil phenyl-Hexyl | 2.0-8.0 | |||
Topsil CN | 2.0-8.0 | |||
Welchrom Series | Welchrom C8 | 2.0-8.0 | 60 °C | 40 MPa |
Boltimate Series | Boltimate C18 | 2.0-8.0 |
60 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
60 MPa |
Boltimate Phenyl-Hexyl | 2.0-8.0 | |||
Boltimate EXT-C18 | 1.5-12 | |||
Boltimate EXT-PFP | 1.5-10 | |||
Boltimate HILIC | 2.0-8.0 | |||
Boltimate LP-C18 | 1.0-8.0 | |||
Boltimate C8 | 2.0-8.0 | |||
Boltimate Phenyl | 2.0-8.0 |
Normal-Phase Columns
Series | Column | pH Range | Max Temperature | Max Pressure Tolerance |
Ultisil Series | Ultisil SiO2 | 2.0-8.0 |
70 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
40 MPa (≥5 μm) 60 MPa (<5 μm) |
Ultisil Diol | 2.0-8.0 | |||
Ultisil XB-NH2 | 2.0-8.0 | |||
Ultisil XB-CN | 2.0-8.0 |
60 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
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Topsil Series | Topsil Silica | 2.0-8.0 |
60 °C (mobile phase pH ≤6.5), 40 °C (mobile phase pH >6.5) |
40 MPa |
Topsil NH2 | 2.0-8.0 |
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