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 | Internal Diameter | |
| Brand | Ultra | Pore size | 100 |
| Modifification | Silica/C1 | Carbon Load, % | 5.0 |
| Mode | Reversed-Phase | Operating Temperature | 80 |
| Particle Size | pH stability from | 2.5 | |
| Length | pH stability to | 8.0 |
| Vendor | Brand | Mode | Modification | Int. diam. | Length | Particles | Pores | Price |
|---|---|---|---|---|---|---|---|---|
| Sigma Aldrich | Kromasil C1 | Reversed-Phase | Silica/C1 | 2.1 mm | 150 mm | 5.0 μm | 100 Å | On request |
| Sigma Aldrich | Kromasil C1 | Reversed-Phase | Silica/C1 | 2.1 mm | 50 mm | 5.0 μm | 100 Å | On request |
| Welch Materials | Ultisil XB-C1 | Reversed-Phase | Silica/C1 | 4.0 mm | 100 mm | 5.0 μm | 300 Å | On request |
| RESTEK | Ultra | Reversed-Phase | Silica/C1 | 1.0 mm | 100 mm | 5.0 μm | 100 Å | On request |
| Welch Materials | Ultisil XB-C1 | Reversed-Phase | Silica/C1 | 2.1 mm | 150 mm | 3.0 μm | 300 Å | On request |
| BISCHOFF | ProntoSIL 120-5-C1 | Reversed-Phase | Silica/C1 | 4.6 mm | 125 mm | 5.0 μm | 120 Å | On request |
| Bonna-Agela Technologies | Venusil XBP C1 | Reversed-Phase | Silica/C1 | 4.6 mm | 250 mm | 5.0 μm | 100 Å | On request |
| LabHut | Cronusil-L C1 | Reversed-Phase | Silica/C1 | 4.0 mm | 100 mm | 3.0 μm | 120 Å | 212.56 |
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