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Macherey-Nagel™ LIPODEX™ A Capillary Columns for GC
Tienda Macherey-Nagel ProductosDescripción
A major advantage of LIPODEX columns are that many compounds can be analyzed without derivatization. However, for certain substances, enantioselectivity can be favorably influenced by formation of derivatives. Regioselective alkylation and/or acylation of the hydroxyl groups leads to lipophilic phases with varying enantioselectivity, which are well suited for GC enantiomer analyses.
It is not possible to make a general prediction about which LIPODEX™ phase could solve a given separation task. Even for compounds with small structural differences or within homologous series, the enantiodifferentiation can be quite different.
- Base material: cyclic oligosaccharides consisting of six α-cyclodextrin glucose units bonded through α-1,4-linkages
- hexakis-(2,3,6-tri-O-pentyl)- α-cyclodextrin
- Ligands: R2=R3=R6=pentyl; n=1
- Recommended for carbohydrates, polyols, diols, hydroxycarboxylic acid esters, (epoxy‑) alcohols, glycerol derivatives, spiroacetals, ketones, alkyl halides
Especificaciones
Especificaciones
| Max. Temperature | For isothermal operations: 200°C, For short isotherms in a temperature program: 220°C |
| Diameter (Metric) | 0.4 mm |
| Type | GC Capillary Column |
| Diameter (Metric) Inner | 0.25 mm |
| Stationary Phase | Lipodex™ A |
| For Use With (Application) | Enantiomer Separation |
| Length (Metric) | 25 m |
| Packing Material | Lipodex™ A |
| Polarity | Non polar |
| Quantity | 1 Each |
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