alpha-DEX 225, L x I.D. 30 m x 0.25 mm, df 0.25 mum

Code: 24311 D2-231

Chem/Phys Resistance

Temp. Limits: 30 °C to 230 °C

General description

Capillary GC column is also known as open tubul...


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Chem/Phys Resistance

Temp. Limits: 30 °C to 230 °C

General description

Capillary GC column is also known as open tubular column. The carrier gas flows through the central aperture and is unrestricted throughout the length of the column.

The chiral stationary phase in A-DEX 225 columns contains 2,3-di-O-acetyl-6-0-TBDMS-A-cyclodextrin embedded in an intermediate polarity phase.

Legal Information

DEX is a trademark of Sigma-Aldrich Co. LLC

Other Notes

We offer a variety of chromatography accessories including analytical syringes

application(s)agriculturechemicals and industrial polymerscleaning productsclinicalcosmeticsenvironmentalflavors and fragrancesfood and beveragesforensics and toxicologylife science and biopharmapersonal carepharmaceutical (small molecule)
Beta value250
column typecapillary chiral
df0.25 µm
descriptionGC capillary column
L × I.D.30 m × 0.25 mm
materialfused silica
matrix active groupnon-bonded; 25% 2,3-di-O-acetyl-6-O-TBDMS-A-cyclodextrin in SPB-20 poly(20% phenyl/80% dimethylsiloxane) phase
parameter30-230 °C temperature
Quality Level100
separation techniquechiral
technique(s)gas chromatography (GC): suitable
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