Radio 4 in Four - How does chromatography affect your daily life? - ÃÛÑ¿´«Ã½ Sounds

Radio 4 in Four - How does chromatography affect your daily life? - ÃÛÑ¿´«Ã½ Sounds
How does chromatography affect your daily life?
Melvyn Bragg talks to Leon Barron about the widely used technique.