by Phenomenex
We Recommend Gemini HPLC for Robust Method Development across all pH Extremes
Columbus columns are designed to provide robust and reproducible separations for traditional HPLC methods. Dense endcapping lend to the stability of Columbus columns since the silica surface is shielded from unwanted silanol activity.
C18 phase detail
Reversed phase C18 phase that is pH stable from ph 2.5-7.5 .
| Vendor | Phenomenex | Particle Size | |
| Brand | Columbus C18 | Length | |
| Modifification | Silica/C18 | Internal Diameter | |
| Mode | Reversed-Phase | Pore size | 110 |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| WATERS | Spherisorb ODS1 | Reversed-Phase | Silica/C18 | 2.0 mm | 100 mm | 5.0 μm | 80 Å | On request |
| Princeton Chromatography Inc. | PrincetonSPHER ODS | Reversed-Phase | Silica/C18 | 4.6 mm | 100 mm | 3.0 μm | — | On request |
| Agilent Technologies | ZORBAX Stablebond | Reversed-Phase | Silica/C18 | 4.0 mm | 15 mm | 1.8 μm | 80 Å | On request |
| ChromaNik Technologies Inc. | SunShell C18 | Reversed-Phase | Silica/C18 | 2.1 mm | 100 mm | 2.6 μm | 90 Å | On request |
| AcuTech Scientific | C18 | Reversed-Phase | Silica/C18 | 0.32 mm | 150 mm | 3.0 μm | 120 Å | On request |
| Imtakt | Unison US-C18 | Reversed-Phase | Silica/C18 | 3.0 mm | 150 mm | 5.0 μm | 130 Å | On request |
| RSTech | HECTOR-W C18 | Reversed-Phase | Silica/C18 | 3.0 mm | 150 mm | 3.0 μm | 300 Å | On request |
| GL Sciences | Inertsil ODS-4 | Reversed-Phase | Silica/C18 | 2.1 mm | 50 mm | 2.0 μm | 100 Å | On request |
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Food Additives, Food Chemistry