Online checkout is currently available in the U.S. Contact us to make a purchase if you live in other countries!

Visit WelchLab for a comprehensive collection of laboratory consumables, including glassware, plasticware, and more!

Normal/Reversed Phase Columns

Normal/Reversed Phase Columns

Brand Show all Brand
Phase Show all Phase
USP Classification Show all USP Classification
Partical Size Show all Partical Size
Column ID Show all Column ID
Column Length Show all Column Length
Pore Size Show all Pore Size
Surface Area Show all Surface Area
pH Range Show all pH Range
Xtimate C4, 5μm, 6.0×250mm
P/N: 00107-21059
$940.00 USD
$940.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 6.0×150mm
P/N: 00107-21058
$870.00 USD
$870.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.6×300mm
P/N: 00107-21044
$730.00 USD
$730.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.6×250mm
P/N: 00107-21043
$680.00 USD
$680.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.6×200mm
P/N: 00107-21042
$660.00 USD
$660.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.6×150mm
P/N: 00107-21041
$650.00 USD
$650.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.6×125mm
P/N: 00107-21040
$660.00 USD
$660.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.6×100mm
P/N: 00107-21039
$610.00 USD
$610.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.6×75mm
P/N: 00107-21038
$600.00 USD
$600.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.6×50mm
P/N: 00107-21037
$580.00 USD
$580.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.6×33mm
P/N: 00107-21074
$550.00 USD
$550.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.6×30mm
P/N: 00107-21036
$550.00 USD
$550.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.0×300mm
P/N: 00107-21035
$730.00 USD
$730.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 3.9×300mm
P/N: 00107-21070
$810.00 USD
$810.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.0×250mm
P/N: 00107-21034
$680.00 USD
$680.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 3.9×250mm
P/N: 00107-21069
$760.00 USD
$760.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.0×200mm
P/N: 00107-21033
$660.00 USD
$660.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.0×150mm
P/N: 00107-21032
$650.00 USD
$650.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 3.9×150mm
P/N: 00107-21067
$730.00 USD
$730.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.0×125mm
P/N: 00107-21031
$660.00 USD
$660.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.0×100mm
P/N: 00107-21030
$610.00 USD
$610.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.0×75mm
P/N: 00107-21029
$600.00 USD
$600.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.0×50mm
P/N: 00107-21028
$580.00 USD
$580.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...
Xtimate C4, 5μm, 4.0×30mm
P/N: 00107-21027
$560.00 USD
$560.00 USD
The Xtimate series columns are specifically designed for liquid chromatography methods, offering the flexibility to use a wide range of mobile phase systems and a broad temperature spectrum across ...

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)
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)
Ultisil F-C8 2.0-8.0 60 °C (mobile phase pH ≤6.5),
40 °C (mobile phase pH >6.5)
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)
Ultisil XB-C30 2.0-8.0 60 °C (mobile phase pH ≤6.5),
40 °C (mobile phase pH >6.5)
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)
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