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Lithium unfinished. Potassium colors flames Red ("emit a lilac color with a peak emission wavelength of 766.5 nm"). Boron ("Because of its distinctive green flame, amorphous boron is used in pyrotechnic flares") is bright green and Boron powder is a high energy fuel. Japanese now have proprietary Rare Earth mixtures. Shjacks45 ( talk) 06:03, 11 July 2011 (UTC) reply

please find Cryolite fireworks and see if it produces any Fluorine exhaust that rather should not be there. Biohazard warning. Wikistallion ( talk) 11:22, 1 January 2019 (UTC) reply

already chlorine is bad enough Wikistallion ( talk) 11:25, 1 January 2019 (UTC) reply

Last remark: what other things occur, like cyano compounds. in milligrams per km2 city Wikistallion ( talk) 11:29, 1 January 2019 (UTC) reply

also there's a FCKW ban. now compute the total atmospheric Fluorine emission of all cryolite used in total. that's a lot of fridges. cannot FCKW ban applied to it? besides toxity. Wikistallion ( talk) 11:48, 1 January 2019 (UTC) reply

is there any childworks on fireworks? Biohazard Wikistallion ( talk) 11:24, 1 January 2019 (UTC) reply

on http://www.ultravioletphotography.com/content/index.php/topic/2302-uv-fireworks-during-canadas-150th-birthday-in-ottawa/

one can see the UV or IR view of fireworks.

1st picture. is that electric discharge?

which Colorants would produce blacklight for example Wikistallion ( talk) 11:40, 1 January 2019 (UTC) reply