Dibromoindigo: Chemistry in its element

Purple was once a colour only royalty could afford to wear. Hayley Birch investigates tyrian purple, or dibromoindigo, the original purple dye

02 April 2014

Presented by Meera Senthilingam.

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Purple was once a colour only royalty could afford to wear. Hayley Birch investigates tyrian purple, or dibromoindigo, the original purple dye

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