Properties:
RelatedCategories | Analytical/Chromatography,GasChromatography(GC),MetalPackedGCColumns(fitAgilent,Configuration"A"),PackedGCColumns,PackedGCColumnsandComponents |
Description:
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Generaldescription
Aneconomicalmetalcolumnshouldbeusedforlessdemandingapplicationswheretheinertnessofglassisnotrequired.ThiscolumnfitsAgilent5880,5890,6890,7820,and7890(configurationA,on-columninjection,alldetectorsexceptTCD).
Inpackedcolumns,thecarriergaspercolatesthroughtheporousbed.Inapackedcolumn,separationisachievedbymovingthesolutesapart.Packedcolumnsaremadeupoftwomainmaterials;stainlesssteelandPyrexglass.Metalpackedcolumnsaremoresuitableforlongandhighcarriergasflowratestotoleratetheelevatedpressures.Molecularsievesarethree-dimensionalframeworkstructurethatformsporesofMolecularDimensions.Theporesadsorbmoleculeswhichfitcloselyinsidetheporesandexcludemoleculesthatarelarge.Zeolitesaresubsetofmolecularsieves.Molecularsievesareusedasadsorbents,gasseparations,oilrefiningandmanydiverseareas.X-raydiffraction,transmissionelectronmicroscopy,andporesizeanalysisconfirmedthatmolecularsievesconsistedofathree-dimensionalregulararrayofuniformmesoporeswhichwas3nmindiameter.