| Vendor | Brand | Mode | Modification | Length (mm) | Int. Diam. (mm) | Particle (μm) | Pore (Å) | Columns |
|---|---|---|---|---|---|---|---|---|
| RESTEK | Ultra | Normal-Phase / Reversed-Phase | Carbamates / proprietary / Silica / Silica/Amino / Silica/C1 / Silica/C18 / Silica/C4 / Silica/C8 / Silica/CN / Silica/Diphenyl / Silica/PFP / Silica/Polar modified C18 / Silica/Polar-embedded alkyl | 30 – 250 | 0.3 – 4.6 | 3 – 5 | 100 | 863 cols |