ALevelChemistryNotesChromatography-1.pdf

ChristyHall20 22 views 2 slides Sep 01, 2025

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Chemistry Notes on Chromatography

Size: 4.37 MB

Language: en

Added: Sep 01, 2025

Slides: 2 pages

Slide Content

Paperchromatography
TLE
gticaGelCsi02
MobilePhaseSolvent Adsorbant
Processwhichsolidsilicaholdsthe
Stationaryphasepaper differentsubstancesinthemixture
toitssurface
RetentionfactorCpf
Distancemoved
by
component
Distancemoved
by
solvent

GasChromatography
Stationary
Phase
highboilingliquid
adsorbedontoaninertsolidsupport
Mobilephaseinertcarriergas
e
g
helium1neon
hemoresolublethecomponentisinliquidstationaryphasetheslower
1movesthroughthecapillary
column
interpretationofGC
componentsaredetectedaspeaks
Retentiontimescanidentifythecomponentsinsample
Peakintegrationsareabelow
peakscandetermineconcentration
CalibrationCurves
Standardsolutionsofknownconcentrations
ObtaintheGcs
Plotthecalibrationcurve
GetGCforthecompoundinvestigatedinsamecondition
Usecalibrationcurvetomeasuretheirconcentration