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  6. Macherey-Nagel™ HYDRODEX™ β-TBDAc Capillary Columns for GC

Macherey-Nagel™ HYDRODEX™ β-TBDAc Capillary Columns for GC

Enables many compounds to be analyzed without derivatization. Macherey-Nagel™ HYDRODEX™ β-TBDAc Capillary Columns for GC are phases with 7 β-cyclodextrin glucose units for enantiomer separation in gas chromatography. This hydrophilic phase with short polar ligants is a chemically non-bonded phase.

1310.00€ - 1965.00€

Specifica

Diametro (sistema metrico) 0.4 mm
Diametro (sistema metrico) interno 0.25 mm
Stationary Phase Hydrodex β-TBDAc
Tipo GC Capillary Column
Temperatura max For isothermal operations: 220°C, For short isotherms in a temperature program: 240°C
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Allerta:

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.


Prodotti 2
Codice del prodotto Marca Lunghezza (sistema metrico) Prezzo Quantità e disponibilità  
Codice del prodotto Marca Lunghezza (sistema metrico) Prezzo Quantità e disponibilità  
10719804
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Macherey-Nagel™
723384.25 		25 m
1310.00€
Pezzo
Solo null disponibili
In stock
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10427862
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Macherey-Nagel™
723384.50 		50 m
1965.00€
Pezzo
Solo null disponibili
In stock
Aggiungi al carrello
 
Descrizione

Descrizione

A major advantage of HYDRODEX columns are that many compounds can be analyzed without derivatization. However, for certain substances, enantioselectivity can be favorably influenced by formation of derivatives. Regioselective derivatization of the hydroxyl groups leads to phases with varying enantioselectivity, which are well suited for GC enantiomer analyses.

It is not possible to make a general prediction about which HYDRODEX™ 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-di-O-acetyl-6-O-t-butyldimethylsilyl)-β-cyclodextrin
  • Ligands: R2=R3=acetyl, R6=t-butyldimethylsilyl; n=2
  • Due to the high melting point of the phases, they are diluted with optimized polysiloxanes
  • Recommended for alcohols, esters, ketones, aldehydes, δ-lactones
Specifica

Specifica

0.4 mm
Hydrodex β-TBDAc
For isothermal operations: 220°C, For short isotherms in a temperature program: 240°C
Hydrodex β-TBDAc
1 Each
0.25 mm
GC Capillary Column
Enantiomer Separation
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