-10-200 °C temperature (isothermal) -10-220 °C temperature (programmed)
Valor Beta
500
df
0.12 μm
técnicas
gas chromatography (GC): suitable
L × D.I.
20 m × 0.25 mm
grupo activo de la matriz
non-bonded; 2,3-di-O-methyl-6-t-butyl silyl derivative of β-cyclodextrin phase
aplicaciones
agriculture chemicals and industrial polymers cleaning products clinical cosmetics environmental flavors and fragrances food and beverages forensics and toxicology life science and biopharma personal care pharmaceutical (small molecule)
Through special derivatization techniques, the concentration of the cyclodextrin in the CHIRALDEX B-DM has been substantially increased in the polysiloxane carrier. This phase is very useful for a number of free acids and bases. The B-DM is able to perform most of the separations done on a beta-permethylated phase, but with higher resolution. The selectivity of the B-DM covers applications of both the B-PM and B-PH phases, although with superior performance.
Resistencia química o física
Temp. Limits:
-10 °C to 200 °C isothermal, 220 °C programmed
Otras notas
We offer a variety of chromatography accessories including analytical syringes
Información legal
Astec is a registered trademark of Merck KGaA, Darmstadt, Germany
Journal of chromatography. A, 1150(1-2), 124-130 (2007-03-24)
The enantiomers of dialkyl 2,3-pentadienedioate undergo interconversion during gas chromatographic separation on chiral stationary phases. In this paper the on-column apparent interconversion kinetic and thermodynamic activation data were determined for dimethyl, diethyl, propylbutyl and dibutyl 2,3-pentadienedioate enantiomers by gas chromatographic
Journal of chromatography. A, 1278, 133-144 (2013-01-26)
Changes in the enantiomeric fraction of chiral polychlorinated biphenyls (PCBs) are a powerful tool to investigate the movement of PCBs in the environment, for example as part of source apportionment and ecological studies. Environmental studies typically employ a series of
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