Properties:
RelatedCategories | Analytical/Chromatography,GasChromatography(GC),GlassPackedGCColumns(fitAgilent,Configuration"A"),PackedGCColumns,PackedGCColumnsandComponents |
Description:
Generaldescription
Useaglasscolumnforapplicationswherehighinertnessisrequired,suchasfortheanalysisofactiveanalytes.Allglasscolumnsundergoaproprietaryhightemperaturesilanizationtoensureinertness.ThiscolumnfitsAgilent5880,5890,6890.7820,and7890(configurationA,on-columninjection,alldetectorsexceptTCD).
Inapackedcolumn,thecarriergaspercolatesthroughtheporousbedandseparationisachievedbymovingthesolutesapart.Packedcolumnsaremadeupoftwomainmaterials;stainlesssteelandPyrexglass.Pyrexglasscolumnsareshapedasdesiredbycoilingatabout700°C.Glasscolumnareinsomecasestreatedwithsilanizingreagenttoeliminatethesurfacehydroxylgroupswhichbecomescatalyticallyactiveandproduceasymmetricpeaks.ChromosorbWisafragilewhitesolidpreparedbyheatingthediatomaceousearthwithaflux.Theresultingfinestructureiscementedoverglasswhichresultsinlargeandirregularpores.HPistheclassificationofasupportashighperformancegrade.
Application
ChromosorbWHPsupportpackedglassGCcolumnwasusedinseparatingtheMe3Siderivativesofthepheolicacids.