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Kromasil Eternity XT
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.
Products
Technical Data
| 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 |
Applications
Food Additives
Seperation of food additives with EternityXT C8.
1. acesulfame K
2. caffeine
3. saccharin
4. aspartame
5. benzoic acid
Test Conditions:
Column: Kromasil EternityXT-2.5-C8 4.6 x 50 mm
Eluent: acetonitrile / water / 0.1% TFA
Gradient: 0 min: 15%, 2.5 min: 70% acetonitrile
Flow rate: 1.7 mL/min
Temperature: 30°C
Detection: UV 220 nm
Fat-soluble vitamins
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)
Test Conditions:
Column: Kromasil EternityXT-1.8-C18 2.1 x 100 mm
Eluent: acetonitrile
Flow rate: 0.7 mL/min
Temperature: 35°C
Detection: UV 265 nm
Downloads
Brochures
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HPLC UHPLC
Kromasil EternityXT Columns Brochure
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HPLC
Kromasil EternityXT Brochure
Applications
Kromasil EternityXT-2.5-C8 Food Additives Applications
Kromasil eternityXT-1.8-C18 Fat-soluble Vitamins Applilcations
The right column for you - we will be happy to support you individually
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