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Metal and Alloys

What is potassium nitrate used for?


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October 29, 2009 4:59AM

Potassium nitrate is used in fertilisers as a nitrate source, sometimes in food as a preservative (although other nitrates work better and are used more often), in ice cream making, in toothpastes for sensitive teeth, and in fireworks and some explosives as an oxidant for the fuel.