3.3.16Organic chemistry
Chromatography
Thin-layer, column and gas chromatography, and how to identify substances from the results.
- Year 2 (A-level)
- 3 lessons
- Exam practice and flashcards
- LESSON 1Thin-Layer Chromatography (TLC)
Principles of TLC, stationary and mobile phases, calculating Rf values, plate development, and locating agents.
- LESSON 2Column Chromatography
Separation and purification of bulk organic samples, pack and run columns, stationary and mobile phases, and elution profiles.
- LESSON 3Gas Chromatography (GC)
Mobile carrier gases, capillary columns, retention times, quantitative analysis of peak areas, and coupling with GC-MS.