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Polaris
Polaris columns from Agilent are made of polar modified materials. Therefore, the phases are applicable at highly aqueous conditions and exhibit retention of strongly polar compounds.
Technical Data
| Phase | Modification | Particle size | Pore size | Surface area | C-content | Endcapping | pH range | Tmax |
| C18-A | C18 with polar modification | 3, 5, 10 μm | 180 Å | 200 m²/g | 13.8 %C | + | 2.0-8.0 | 60 °C |
| C8-A | C8 with polar modification | 3, 5 μm | 180 Å | 200 m²/g | 7.4 %C | + | 2.0-8.0 | 60 °C |
| C18-Etder | C18, Ether | 3, 5 μm | 180 Å | 200 m²/g | 12.1 %C | + | 2.0-8.0 | 60 °C |
| C8-Etder | C8, Ether | 3, 5 μm | 180 Å | 200 m²/g | 7.1 %C | + | 2.0-8.0 | 60 °C |
| Amide C18 | C18, amide | 3, 5, 10 μm | 180 Å | 200 m²/g | 15 %C | + | 2.0-8.0 | 60 °C |
| NH2 | NH2 | 3, 5 μm | 180 Å | 200 m²/g | 5.5 %C | Amide | 2.0-8.0 | 60 °C |
| Si-A | Si | 3, 5, 10 μm | 180 Å | 200 m²/g | - | - | 1.0-8.0 | 60 °C |
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