12.3 · ChromatographyLesson 1 of 7Free preview
Paper chromatography
A pencil line, small spots, a solvent below the line and a lid: the colours in ink separate as the solvent rises.
12.3 · ChromatographyLesson 1 of 7Free preview
A pencil line, small spots, a solvent below the line and a lid: the colours in ink separate as the solvent rises.