Effect charge
Under the effect charges are understood charges in fireworks and give the burning colors of himself with various effects (fountains, gyros). Different metals and chemicals are used for this. Frequently used for coloring are:
- Barium-
- Strontium for red
- Lithium nitrate in connection.
- Carbonates are used less often because they have a lower color potential.
Chlorine donors such as Parlon and PVC are used to promote combustion and improve color. They split off chlorinones, which intensify the color radiation. Chlorates and perchlorates (mostly potassium perchlorate) also serve to improve color and promote combustion.
The following metals are often used in combination with the substances mentioned above:
For use as fireworks stars, the mixtures are mixed with a binding agent such as dextrin , moistened and shaped. They then give off the familiar color effects in the night sky.
Effect charges in rockets and other fireworks have been produced since the time of the Chinese Empire.