by RESTEK
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 | RESTEK | Pore size | 100 |
| Brand | Ultra | Carbon Load, % | 12.0 |
| Modifification | Silica/C8 | Endcapped | Yes |
| Mode | Reversed-Phase | Operating Temperature | 80 |
| Particle Size | pH stability from | 2.5 | |
| Length | pH stability to | 8.0 | |
| Internal Diameter |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| Bonna-Agela Technologies | Durashell C8 | Reversed-Phase | Silica/C8 | 4.6 mm | 150 mm | 3.0 μm | 100 Å | On request |
| Agilent Technologies | ZORBAX Stablebond | Reversed-Phase | Silica/C8 | 4.0 mm | 30 mm | 1.8 μm | 80 Å | On request |
| Merck | LiChrospher® | Reversed-Phase | Silica/C8 | 3.0 mm | 125 mm | 5.0 μm | 60 Å | On request |
| SGE Analytical Science | ProteCol C8 H (PEEK Coated) | Reversed-Phase | Silica/C8 | 4.6 mm | 100 mm | 3.0 μm | 120 Å | On request |
| Sigma Aldrich | Astec C8 | Reversed-Phase | Silica/C8 | 2.1 mm | — | 3.5 μm | 110 Å | On request |
| ChromaNik Technologies Inc. | Sunniest C8 | Reversed-Phase | Silica/C8 | 3.0 mm | 50 mm | 5.0 μm | 120 Å | On request |
| Phenomenex | Luna C8(2) | Reversed-Phase | Silica/C8 | 0.5 mm | 20 mm | 3.0 μm | 100 Å | On request |
| AcuTech Scientific | C8 | Reversed-Phase | Silica/C8 | 0.1 mm | 500 mm | 3.0 μm | 120 Å | On request |
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