User:Benjah-bmm27/degree/3/RPE2

Chromatographic techniques, RPE2

Extraction

Solid phase extraction

• Solid phase extraction

Chromatographic theory

• Martin and Synge, Nobel Prize
• Theoretical plates
• van Deemter equation

Gas chromatography

• Gas chromatography

Columns

• Packed or (more commonly) capillary
• Capillary columns long and thin, have a polyimide outer coating to confer strength and flexibility
• Capillary columns usually coated internally with polyethylene glycol stationary phase

Liquid chromatography

• Liquid chromatography

TLC

• Thin layer chromatography

HPLC

• High performance liquid chromatography