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The most trusted HPLC columns since 1968. GL Sciences offer an excellent alternative to Welch HPLC Columns.
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Equivalent to Welch C18 Column - Welchrom, Ultisil, Xtimate & More
GL Sciences Welch Equivalent HPLC Columns
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Free samples available
GL Science HPLC Columns Deliver:
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High Inertness
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Low Back Pressure
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High Reproducibility
Latest Technology
InertSustain C18 Columns
Latest HPLC column technology. Provides superior resolution & peak shape with best in class end-capping technology.
Recommended GL Sciences equivalent for Welch C18 Columns:
- Welchrom C18
- Ultisil AQ-C18
- Ultisil Amino Acid
- Ultisil XB-C18
- Xtimate C18
- Ultisil UHPLC XB-C18
- Topsil C18
Latest Technology
InertCore Plus C18
High performance core-shell column for UHPLC/HPLC.
Recommended GL Sciences equivalent for Boltimate C18 Columns:
- Boltimate C18
- Boltimate EXT-C18
Most Popular
Inertsil C18 Columns
For more than a decade, Inertsil has been the industry standard in state-of-the-art reverse phase HPLC columns.
Recommended GL Sciences equivalent for Welch C18 Columns:
- Ultisil XB-C18 > Inertsil WP300 C18
- Ultisil PAH > Inertsil ODS-P
Other GL Sciences Recommended HPLC Columns
| Manufacturer | Column | Bonding type | USP | GL Sciences Recommended Column |
|---|---|---|---|---|
| Welch | Ultisil Plus C18 | C18 | L1 | InertSustainSwift C18 |
| Welch | Ultisil UHPLC AQ-C18 | C18 | L1 | InertSustain AQ-C18 |
| Welch | Welchrom C8 | C8 | L7 | InertSustain C8 |
| Welch | Ultisil XB-C8 | C8 | L7 | InertSustain C8 |
| Welch | Xtimate C8 | C8 | L7 | InertSustain C8 |
| Welch | Topsil C8 | C8 | L7 | InertSustain C8 |
| Welch | Ultisil UHPLC XB-C8 | C8 | L7 | InertSustain C8 |
| Welch | Ultisil LP-CN | CN | L10 | Inertsil CN-3 |
| Welch | Ultisil XB-CN | CN | L10 | Inertsil CN-3 |
| Welch | Xtimate CN | CN | L10 | InertSustain Cyano |
| Welch | Topsil CN | CN | L10 | InertSustain Cyano |
| Welch | Ultisil XB-NH2 | NH2 | L8 | InertSustain NH2 |
| Welch | Topsil NH2 | NH2 | L8 | InertSustain NH2 |
| Welch | Xtimate XB-NH2 | NH2 | L8 | InertSustain NH2 |
| Welch | Xtimate Pheny-Hexyl | Phenylhexyl | L11 | InertSustain Phenylhexyl |
| Welch | Topsil Phenyl-Hexyl | Phenylhexyl | L11 | InertSustain Phenylhexyl |
| Welch | Ultisil SiO2 | Silica | L3 | Inertsil SIL-100A |
| Welch | Topsil Silica | Silica | L3 | Inertsil SIL-150A |
| Welch | Xtimate SiO2 | Silica | L3 | Inertsil SIL-100A |
| Welch | Ultisil XB-SAX | SAX | L14 | Inertsil AX |
| Welch | Ultisil XB-SCX | SO3H | - | Inertsil CX |
| Welch | Ultisil HILIC Amide | - | InertSustain Amide |
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