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 |
|---|---|---|---|---|---|---|---|---|
| GL Sciences | Inertsil C8-4 | Reversed-Phase | Silica/C8 | 2.1 mm | 150 mm | 5.0 μm | 100 Å | On request |
| Chromenta | Chromenta KB C8 | Reversed-Phase | Silica/C8 | 2.1 mm | 30 mm | 1.8 μm | 120 Å | On request |
| Aapptec | Spirit Protein | Reversed-Phase | Silica/C8 | 10.0 mm | 150 mm | 5.0 μm | 300 Å | On request |
| Vertical Chromatography | VertiSep UPS C8 | Reversed-Phase | Silica/C8 | 4.6 mm | 150 mm | 3 μm | 100 Å | On request |
| Welch Materials | Ultisil LP-C8 | Reversed-Phase | Silica/C8 | 4.0 mm | 50 mm | 5.0 μm | 120 Å | On request |
| MACHEREY-NAGEL | NUCLEODUR C8 GRAVITY | Reversed-Phase | Silica/C8 | 4.6 mm | 75 mm | 5.0 μm | 110 Å | 384.00 |
| Princeton Chromatography Inc. | PrincetonSPHER C8-300 | Reversed-Phase | Silica/C8 | 4.6 mm | 150 mm | 5.0 μm | 300 Å | On request |
| Agilent Technologies | Poroshell 120 | Reversed-Phase | Silica/C8 | 2.0 mm | 150 mm | 2.7 μm | 120 Å | On request |
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