Potassium nitrate, tseem hu ua saltpeter, yog ib qho tseem ceeb siv nyob rau hauv ntau lub lag luam nrog rau kev ua liaj ua teb, kev ua zaub mov, thiab tshuaj. Raws li ib feem tseem ceeb ntawm cov chiv, nws ua lub luag haujlwm tseem ceeb hauv kev txhawb nqa cov nroj tsuag kev loj hlob thiab nce qoob loo. Tus nqi ib tuj ntawm potassiu ...
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