Chromatography
Column chromatography
Gas chromatography
(GC)
GPC-VPC
High performance liquid chromatography (HPLC)
Ion exchange chromatography
Thin layer chromatography (TLC)
The chromatography is at the base of a great number of methods of separation and identification of the components of liquid and gas mixtures.
In all the cases, a mobile phase passes through a stationary phase containing the components of a mixture.
When the mobile phase is a liquid, the process is described as liquid chromatography and when the mobile phase is a gas, the process is described as gas chromatography.
Chromatographic method in which the mobile phase is a gas.
The stationary phase can be either a liquid, immobilized on a solid, or an organic species adsorbed onto a solid surface.
Very fine columns can be used in which case the process is described as capillary chromatography.
Chromatography in the vapour phase - it is known both as gas phase chromatography (GPC) and vapour phase chromatography (VPC).
High performance
liquid
chromatography (HPLC)
A chromatographic method in which the stationary phase is a column filled with adsorbent which retains the components of the mixture and where the mobile phase is a liquid.
A chromatographic method in which the stationary phase is a resin which functions by exchanging ions.
Ions of the same ions sign are separated by elution on a column filled with a finely divided resin.
A chromatographic method in which the solid stationary phase is maintained in a tube held vertically.
The mobile phase progresses by gravity or under pressure.
Microscale liquid chromatography.
Macroscale liquid chromatography.
Thin layer
chromatography (TLC)
A chromatographic method in which the stationary phase is deposited on a flat plate, also called a support, or is immobilized within the interior of the pores of a sheet of cellulose.
The liquid mobile phase moves by capillary action or under the effect of gravity.