Division 6.3 Thin-layer chromatography United Kingdom Original text. Later amendments are not shown. 6.3.1Spot 20 μl of the ethanolic residue (6.2) on to a thin-layer chromatography plate (4.7). 6.3.2Division 6.3.2 6.3.3Division 6.3.3 ← Division 6.2.2 Division 6.3 Division 6.3.1 →