Colour in fireworks is produced by pyrotechnic ‘stars’, which produce coloured light when ignited. The stars contain five basic ingredients. Metal salts are used to produced colour; a fuel is needed to allow the star to burn; an oxidising chemical provides oxygen for the combustion the fuel; a chlorine-donating compound helps strengthen some colours; and a binding chemical holds the mixture together.
The following fireworks colour described in this infographic.
- Silver and
Click on Image to Enlarge
Read full article on The Chemistry of Fireworks and download pdf. of this infographic on Compound Interest.