L1 /
1
CH3041
ON-LINE LECTURE 21
Solvent in
Support
A
eg. SiO2
Types of Chromatography
• Adsorption : solid SP (stationary phase)
TLC MP liquid (mobile phase)
TLC MP liquid (mobile phase)
• Partition: liquid
SP on a solid support;
GC MP gas (or liquid)
GC MP gas (or liquid)
• Ion-exchange:anions (or
cations) covalently
bonded to solid SP; MP liquid
bonded to solid SP; MP liquid
CHROMATOGRAPHY analytical separation
Stationary phase (support)
Mobile phase (eg. solvent)
Mobile phase (eg. solvent)
eluant - entering column
eluate - exiting column
eluate - exiting column
