Green-colored fireworks less toxic

Traditional methods for producing green-colored fireworks involves lighting barium nitrate, a toxic substance when eaten or inhaled that can cause muscle tremors, vomiting, diarrhea, kidney damage and even death, and polyvinyl chloride (PVC), an endocrine disruptor which amongst other things can cause reproductive abnormalities.

Researchers, have discovered however, that by submitting born carbide - a less toxic , readily available and cheaper to boot chemical - for the barium nitrate that the result was a less toxic flair.

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• Green fireworks go green article

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