Blue should be made by copper? https://steemit.com/science/@alexs1320/chemistry-of-sparklers
CuCl could be some kind of blue, thus I vote for Cl :)
Blue should be made by copper? https://steemit.com/science/@alexs1320/chemistry-of-sparklers
CuCl could be some kind of blue, thus I vote for Cl :)
True