The green colour originates from barium chlorate. The lilac colour that should be evident from the potassium chlorate is washed out by the other colours, all of which are more intense. Do not attempt this reaction unless are a professionally qualified chemist and you have carried out a legally satisfactory hazard assessment. Select a movie icon to see flame burning in from right to left. This flame is relatively cool.
Hotter flames burn green bacause of emission from copper atoms.
Do not attempt this reaction unless are a professionally qualified chemist and you have carried out a legally satisfactory hazard assessment. Isolation Here is a brief summary of the isolation of copper. Copper metal is readily available commercially so it is not normally necesary to make it in the laboratory. Most copper production is based upon sulphide ores containing little copper but quite a lot of iron. New cleaner technologies are now important but older processes present major environmental problems.