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β-DEX™ 325

SUPELCO/24308 - L × I.D. 30 m × 0.25 mm, df 0.25 μm

Synonym: β-DEX™ 325, 30M .25MM .25UM

Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-24308 1 ea
 $914.00
1/EA		 Add To Favorites
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application(s) 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)
Beta value 250
column type capillary chiral
df 0.25 μm
description GC capillary column
L × I.D. 30 m × 0.25 mm
material fused silica
matrix active group non-bonded; 25% 2,3-di-O-methyl-6-O-TBDMS-β-cyclodextrin in SPB-20 poly(20% phenyl/80% dimethylsiloxane) phase
parameter 30-230 °C temperature
Quality Level 100 
separation technique chiral
technique(s) gas chromatography (GC): suitable
Application: ß-DEX™-325 column was used in gas-liquid chromatography (GLC), for determination of (R)-1-O-acetyl-2-ethyl-1,3-propanediol, formed from 2-Ethyl-1,3-propanediol 1 and its related di-O-acetate, by partial chemoenzymatic acetylation and deacetylation, by Pseudomonas fluorescens lipase. ß -Dex™-325 capillary column was also used for resolving 8-acetoxylinalool enantiomers, in an experimental study done in order to study the origin of the enantioselectivity in the biosynthesis of the lilac compounds in Actinidia arguta flowers.
Features and Benefits: Temp. Limits:
• 30 °C to 230 °C
General description: The chiral stationary phase in β-DEX 325 columns contains 2,3-di-O-methyl-6-0-TBDMS-β-cyclodextrin embedded in an intermediate polarity phase. The Supelco β-DEX 325 is similar in both chemistry and use to the CHIRALDEX B-DM phase, the main difference being the concentration of the dimethyl-derivatized cyclodextrin that is doped into the polysiloxane carrier.
Legal Information: DEX is a trademark of Sigma-Aldrich Co. LLC
Other Notes: We offer a variety of chromatography accessories including analytical syringes 
UNSPSC 41115710

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