12:59

Mass Spectrometry - Fragmentation

14:46

Chromatography (A-level Chemistry)

11:04

Gas Chromatography

8:18

Introduction to NMR

11:06

Esters

3:38

Adsorption Chromatography

7:31

Gas Chromatography

30:28

OCR A 6.3.1 Chromatography and Qualitative Analysis REVISION