The Ultra line represents Restek’s broadest selection of stationary phases on a single silica support. Made of high-purity, type-B silica that minimizes activity and creates high-density bonding, these columns are designed for selective and reliable HPLC applications.
| Vendor | Brand | Mode | Modif. | Int. diam. | Lenght | Particles | Pores | Price, EUR | |
|---|---|---|---|---|---|---|---|---|---|
| Phenomenex | Luna CN | NP | Silica/CN | 3 mm | 50 mm | 5.0 µm | 100 Å | No price | |
| GL Sciences | Inertsil CN-3 | NP | Silica/CN | 3 mm | 50 mm | 5.0 µm | 100 Å | No price |