potassium nitrate and its Impurities

Potassium nitrate is an inorganic salt with a chemical formula of KNO3. It has been used as a constituent for several different purposes, including food preservatives, fertilizers, tree stump removal, rocket propellants, and fireworks.Reference standards of Potassium Nitrate API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.