Food dye (E number) chromatogram Science Video

Ref: 000-0368-01a


Time-lapse demonstration of the separation of food dyes by paper chromatography over a three hour period. Samples top to bottom: Red = Carmoisine (E122, C.I.14720) and Ponceau 4R (E124, C.I.16255), Green = Quinoline Yellow (E104, C.I.47005) and Green S (E142, C.I.44090), Blue = Carmoisine (E122, C.I.14720) and Brilliant Blue (E133, C.I.42090), Yellow = Quinoline Yellow (E104, C.I.47005) and Allura Red (E129, C.I.16035), Black = Carmoisine (E122, C.I.14720) and Quinoline Yellow (E104, C.I.47005) and Green S (E142, C.I.44090)