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, % | 20.0 |
| Modifification | Silica/C18 | 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 |
|---|---|---|---|---|---|---|---|---|
| GRACE | Vydac MS C18 | Reversed-Phase | Silica/C18 | 0.15 mm | 150 mm | 5.0 μm | 300 Å | On request |
| Dikma Technologies Inc. | Spursil C18-EP | Reversed-Phase | Silica/C18 | 4.6 mm | 100 mm | 3.0 μm | 100 Å | 542.00 |
| Sepax Technologies | Sepax HP 200 C18 | Reversed-Phase | Silica/C18 | 10.0 mm | 150 mm | 10.0 μm | 200 Å | On request |
| MACHEREY-NAGEL | NUCLEODUR C18 HTEC | Reversed-Phase | Silica/C18 | 4.0 mm | 125 mm | 5.0 μm | 110 Å | 410.00 |
| KNAUER | Eurospher II | Reversed-Phase | Silica/C18 | 8.0 mm | 300 mm | 3.0 μm | 100 Å | On request |
| LabHut | Cronusil-L ODS-A | Reversed-Phase | Silica/C18 | 4.0 mm | 200 mm | 3.0 μm | 120 Å | 250.05 |
| Thermo Fisher Scientific | BetaSil | Reversed-Phase | Silica/C18 | 1.0 mm | 150 mm | 5.0 μm | 100 Å | On request |
| ACE | ACE C18-HL | Reversed-Phase | Silica/C18 | 10.0 mm | 125 mm | 5.0 μm | 90 Å | On request |
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