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Sigma-Aldrich/SCOT Capillary GC Column/23818-U/

Properties:

RelatedCategoriesAnalytical/Chromatography,BMEASCOT,CapillaryGCColumnsandGuardColumns/RetentionGaps,CapillaryGCColumns,byname,GasChromatography(GC),
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material stainlesssteel
description 3.5in.bandedcoil
 BMEA=bis-methoxyethylADIpate
 Dimensions:1/16 in.connections
 SCOT=SupportCoatedOpenTubular
Betavalue 40
application(s) gaschromatography(GC):suitable
L×O.D. 50 ft×1/32 in.
matrixactivegroup BMEAphase
columntype capillarySCOT

Description:

Generaldescription

SupelcoistheleaderinSupportCoatedOpenTubular(SCOT)GCcolumntechnology.Ourunsurpassedmanufacturingtechniqueallowsustodepositauniformlayerofliquidphase-coatedsupportparticlesontheinnerwallofstainlesssteeltubing.ThistechnologygivesusaccesstomanyphasesthatareinaccessIBLetoconventionalfusedsilicacapillarycolumnmanufacturingtechnology.SCOTcolumnscombinethesensitivityandexcellentsampleresolutionofcapillaryGCwiththeextensivestationaryphaselibraryofpackedGC.

AllourSCOTcolumnshavedimensionsof50feetx1/32inchO.D.x0.02inchI.D.andinclude1/16inchO.D.connectionsateachend.Theyarebandedin3.5inchcoils,with12inchloosecolumnateachend.Fourcolumnsareavailableasstockitems.Columnswithotherphasesmaybeavailablethroughourcustomprogram.

Capillarycolumnsarebasicallyoftwotypewall-coatedopentubular(WCOT)andsupport-coatedopentubular(SCOT).WCOTcolumnsconsistofacapillarytube,wherethewallsofthetubearecoatedwithliquidstationaryphase.InSCOTcapillarycolumns,theinnerwallofthecapillaryislinedwithathinlayerofaparticulatesupport,suchasdiatomaceousearth;ontothissupportmaterialathinlayerofliquidstationaryphaseisthencoated.ThisisanaddedadvantagetotheSCOTcolumnsasitprovidesthemlargersurfaceareaandthickerlayerofstationaryphasethanWCOTcolumns.

Application

SCOTCapillaryGCColumnmaybeusedforhighresolutiongaschromatography.Itmayalsobeusedforthedeterminationofnonhydroxyfattyacidcompositionofratbrainlipids.

OtherNotes

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