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Macherey-Nagel™ LIPODEX™ C Capillary Columns for GC

Artikelnummer. 10177440 Shop alle Macherey-Nagel produkter
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Length (Metric):
25 m
50 m
Pakningsstørrelse:
Each
Denne vare kan ikke returneres. Se returpolicy
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.

Artikelnummer. 10177440

Brand: Macherey-Nagel™ 723364.50

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Denne vare kan ikke returneres. Se returpolicy
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.

Beskrivelse

Enables many compounds to be analyzed without derivatization. Macherey-Nagel™ LIPODEX™ C 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.

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-(2,3,6-tri-O-pentyl)-β-cyclodextrin
  • Ligands: R2=R3=R6=pentyl; n=2
  • Recommended for alcohols, cyanhydrins, olefins, hydroxycarboxylic acid esters, alkyl halides

Tekniske data

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™ C
For Use With (Application) Enantiomer Separation
Length (Metric) 50 m
Packing Material Lipodex™ C
Polarity Non polar
Quantity 1 Each
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