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June 2, 2022 04:40 pm GMT

Need emergency breathable air? Light an oxygen candle, but beware, it's hot!

If you happen to be trapped in a mine with a busted ventilation system, an oxygen candle could save your life. The candles contain sodium chlorate, barium peroxide, and iron powder. When ignited, the iron powder burns at 1112F which breaks down the sodium chlorate into breathable oxygen and sodium chloride (common salt). — Read the rest


Original Link: https://boingboing.net/2022/06/02/need-emergency-breathable-air-light-an-oxygen-candle-but-beware-its-hot.html

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