... Treatment and Heat Transfer,aaCeramics, Oxidizer, Petroche SpecificationsPotassium Nitrate is a fully soluble source of K and nitrogen, ... . It can not deliquesce in the air.Typical Analysis Chemical FormulaKNO3Purity99.4% minPotassium Oxide (K2O)46.0% min ... temperature, pests and disease.Benefits of using Potassium NitratePotassium Nitrate contains the essential plant elements, nitrogen and potassium ...