ECNumber262-373-8
Popular Documents: ProductInformationSheet(PDF)
Properties:
| RelatedCategories | α-DEX120,Analytical/Chromatography,CapillaryGCColumnsandGuardColumns/RetentionGaps,CapillaryGCColumns,byname,ChiralCapillaryGCColumns, |
| material | fusedsilica |
| description | GCcapillarycolumn |
| Betavalue | 250 |
| df | 0.25 μm |
| application(s) | gaschromatography(GC):suitable |
| L×I.D. | 30 m×0.25 mm |
| matrixactivegroup | non-bonded;20%permethylatedα-cyclodextrininSPB-35poly(35%diphenyl/65%dimethylsiloxane)phase |
Description:
Chem/PhysResistance
Temp.Limits:
• 30 °Cto230 °C
Generaldescription
Containingpermethylatedα-cyclodextrinembeddedinanintermediatepolaritystationaryphase,Supelcoα-DEX120columnsprovideuniqueselectivityforenantiomericseparationsofsmallmolecules.Theyarealsorecommendedforseparatingpositionalisomers(phenols,xylenes,etc.).
CapillaryGCcolumnisalsoknownasopentubularcolumn.Thecarriergasflowsthroughthecentralapertureandisunrestrictedthroughoutthelengthofthecolumn.
Application
α-DEX™120wasusedinaGCcolumn,inanexperimentconductedtostudytheadditionofcatalyticenantioselectivediethylzinctoa-substitutedaldehyde,inpresenceofenantiopureligand.ItwasalsousedtopackchiralcolumndurinGCanalysis,inanexperimenttoinvestigatelipase-mediateddesymmetrizationofglycerolwithaliphaticandaromaticanhydrides.
LegalInformation
DEXisatrademarkofSigma-AldrichCo.LLC
OtherNotes
Complementaryproducts:
Syringes
Vials
GasPurificationandGasManagement
InletLiners,GlassWool,andSpecializedHandTools
SeptaandSpecializedHandTools
ColumnFerrules,Nuts,andSpecializedHandTools
Safety:
GHS07,GHS08
