Properties:
RelatedCategories | Analytical/Chromatography,GasChromatography(GC),MetalPackedGCColumns(GeneralConfiguration),PackedGCColumns,PackedGCColumnsandComponents |
Description:
Generaldescription
Aneconomicalmetalcolumnshouldbeusedforlessdemandingapplicationswheretheinertnessofglassisnotrequired.Thiscolumnisofageneralconfiguration,andcanbecarefullybenttofitmostinstruments.
Packedcolumnpercolatesthecarriergasthroughtheporousbed.Inapackedcolumn,separationisachievedbymovingthesolutesapart.Packedcolumnsaremadeupoftwomainmaterials;stainlesssteelandPyrexglass.Metalpackedcolumnsaremoresuitableforlongandhighcarriergasflowratestotoleratetheelevatedpressures.CarbopackB,betterknownasgraphitizedcarbonblackhasnonporous,nonpolarandhomogeneoussurface.Thisadsorbentissuitableasstationaryphaseinbothpackedandcapillarycolumns.CarbopackBcartridgesaremoreefficientthanC-18forextractingphenols.