Nouryon™ from Sweden is producer of the famous and well-proven Kromasil® chromatographic silica. Kromasil® EternityXT is Akzo-Nobel's newest generation of highly stable silica phases. A silica/organosilane surface of the Kromasil Eternity platform offers a chemical stability that will secure a long-lasting stationary phase. The columns can be used over a wide pH range (1‒12), giving more flexibility with regard to method development and ‒optimization. The columns are available with various modifications for analytical as well as preparative applications.
Phase-Name | Modification | Particle Size | Pore Size | End-capping | C-Content | USP | Surface | pH-Range | Tmax |
Kromasil® EternityXT C18 | C18 | 1.8, 2.5, 5, 10 µm | 100 Å | + | 19% | L1 | 330 m2/g | 1.0‒12.0 | 60 °C |
Kromasil® EternityXT C8 | C8 | 1.8, 2.5, 5, 10 µm | 100 Å | + | 13% | L7 | 330 m2/g | 1.0‒12.0 | 60 °C |
Kromasil® EternityXT PhenylHexyl | Phenylhexyl | 1.8, 2.5, 5 µm | 100 Å | + | 15% | L11 | 330 m2/g | 2.0‒12.0 | 60 °C |
Seperation of food additives with EternityXT C8.
1. acesulfame K
2. caffeine
3. saccharin
4. aspartame
5. benzoic acid
Seperation of vitamin A, D and E with KromasilEternityXT C18.
1. retinol
2. ergocalciferol (vitamin D2)
3. cholecalciferol (vitamin D3)
4. δ-tocopherol (vitamin E)