Properties:
RelatedCategories | Adsorbents,Analytical/Chromatography,GasChromatography(GC),SpecialtyCarbonAdsorbents,SphericalGraphitizedPolymerCarbon(SGPC)Adsorbents |
Description:
Generaldescription
Asphericalgraphitizedpolymercarbon(SGPC)hasaninnovativestructure;aporousornon-porouscore(thecarbonframeworkthatremainsafterpyrolysisofpolymericprecursor),andagraphitizedshellofacontrolledthickness.Thegraphitizationprocessresultsinahighlypuresurfacewithgreatadsorptionanddesorption(ifrequired)properties.Surfaceinteractionsdependsolelyondispersion(London)forces.Theseamorphous/graphiticadsorbentsare:
• Spherical(betterpackedbedperformancethangranularparticles)
• Hardandnon-friable(packwell,willnotbreak)
• UsedformoleculeswithananalytesizerelativetoC5-C12n-alkanes
• Hydrophobic(canbeusedinhighhumidityenvironments)
Generally,SGPCadsorbentsofferweakerrelativeadsorptivestrengthcomparedtocarbonmolecularsieve(CMS)adsorbents,andsimilarrelativeadsorptivestrengthcomparedtographitizedcarbonblack(GCB)adsorbents.OurGraphsphere™productsareatypeofSGPCadsorbent.TheyaregreatalternativestoGCBadsorbents(whicharegranularandfriable).
Formoreinformationaboutanyofourspecialtycarbonadsorbents,pleasevisitSigma-Aldrich.com/carbon
LegalInformation
CarboxenisaregisteredtrademarkofSigma-AldrichCo.LLC
GraphsphereisatrademarkofSigma-AldrichCo.LLC
Safety:
Symbol
GHS08
Precautionarystatements
P281
RIDADR
NONHforallmodesoftransport