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Macherey-Nagel™ LIPODEX™ D Capillary Columns for GC
Enables many compounds to be analyzed without derivatization. Macherey-Nagel™ LIPODEX™ D Capillary Columns for GC are phases with seven β-cyclodextrin glucose units for enantiomer separation in gas chromatography. This lipophilic phase with long nonpolar ligants is a chemically non-bonded phase.
€ 1375.00 - € 2065.00
Specifications
| Diameter (Metric) | 0.4 mm |
|---|---|
| Diameter (Metric) Inner | 0.25 mm |
| Stationary Phase | Lipodex™ D |
| Type | GC Capillary Column |
| Max. Temperature | For isothermal operations: 200°C, For short isotherms in a temperature program: 220°C |
Alert:
Water as solvent is strictly forbidden for all cyclodextrin phases. It is recommended to dry the sample and dissolve it in an appropriate nonpolar solvent.
| Product Code | Brand | Length (Metric) | Price | Quantity & Availability | |||||
|---|---|---|---|---|---|---|---|---|---|
| Product Code | Brand | Length (Metric) | Price | Quantity & Availability | |||||
|
10127540
|
Macherey-Nagel™
723366.25 |
25 m |
€ 1375.00
Each |
Estimated Shipment: 20-01-2025
Log in to see stock. |
|||||
|
10045380
|
Macherey-Nagel™
723366.50 |
50 m |
€ 2065.00
Each |
Estimated Shipment: 20-01-2025
Log in to see stock. |
|||||
Description
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 seven β-cyclodextrin glucose units bonded through α-1,4-linkages
- heptakis-(2,6-di-O-pentyl-3-O-acetyl)-β-cyclodextrin
- Ligands: R2=R6=pentyl, R3=acetyl; n=2
- Recommended for amines (TFA), aminols (TFA), trans-cycloalkane-1,2-diols, trans-cycloalkane-1,3-diols (TFA), β-amino acid esters
Specifications
| 0.4 mm | |
| Lipodex™ D | |
| For isothermal operations: 200°C, For short isotherms in a temperature program: 220°C | |
| Lipodex™ D | |
| 1 Each |
| 0.25 mm | |
| GC Capillary Column | |
| Enantiomer Separation | |
| Non polar |
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