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オリジナル投稿者: Eugene Messer ,

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While you are all burying your disgraced battery pack at the beach you might want to think about what was in that vented gas and where it went. Hexafluorophosphate a main ingredient in most lithium ion (not metal) batteries. When it is heated and catches fire it vents phosphoryl Floride (POF3). Toxic stuff (bad) when it reacts with water;  POF3 + H2O → HPO2F2 + HF. That HF is the very toxic hydrofluoric acid. It absorbs calcium ions in the body, is hyper corrosive, and causes pulmonary edema and cardiac arrest. It is (Breaking Bad. Seriously, it is the acid our questionable heros Walter and Jesse use to dissolve bodies in the show)

Putting water on the fire gives the POF3 the reactant to manufacture HF and cools the reaction so it takes longer and gives it a better atmosphere to cause the reaction it.

Get it outside to vent and burn if possible. But do it on one breath. Vent the smoke/gas. Wash everything down with sodium bicarbonate and water.

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