Inexperienced hearth is a sort of fireside that burns with a inexperienced flame. It’s usually utilized in pyrotechnics and particular results, and will be created by including sure chemical compounds to a gas supply. One frequent methodology is so as to add copper salts to a gas, corresponding to methanol or ethanol. When the gas burns, the copper salts emit a inexperienced gentle, which supplies the hearth its attribute shade.
Inexperienced hearth has been used for hundreds of years in varied cultures. In historical China, it was utilized in non secular ceremonies and festivals. Within the Center Ages, it was utilized by alchemists of their makes an attempt to create the thinker’s stone. Right this moment, inexperienced hearth remains to be utilized in a wide range of functions, together with pyrotechnics, particular results, and even cooking.