Some textile manufacturers also use azo dyes like tartrazine. Red 40 is another food color additive that some people are concerned could cause health impacts, including hyperactivity, allergic ...

More than 50 science projects were showcased at Lambton College during the annual Lambton County Science Fair, with three ...

Artefacts resulting from diffusion of enzymically liberated alpha-naphthol is avoided by increasing the speed of azo-coupling and by restriction where necessary of the rate of substrate hydrolysis.