formula: KNO3                formula weight:101.10
product specification:                              Optical Grade            Ind.Grade                  Agri.G
                              assay (KNO3)              99.9%                     99.4%                      98%
                             moisture                      0.1%                       0.1%                        0.1%
                             chlorides                      0.01%                     0.03%                    0.03%   
                             water-insoluble             0.01%                     0.02%                     0.01%
                              sulphate                     0.05%                     0.01%                       -
                              Iron                           0.003%                    0.01%                      -
                               potassium   oxide        -                         -                         46.0%
                              nitrogen                     -                          -                          13.5%
property:potassium nitrate is a kind of white powder with colorless transparent crystalline powder.It is easily soluble in water and
            liquid ammonia but in anhydrous alcohol.It can not deliquesce in the air.As strong oxidizer,it will burn and explode when
           mixed with organics.
application:It is mainly used in TV glass,glass refing agent and motor light glass;fertilizers of crops and flowers,leaf spraying fertilizer;
            fireworks and black powder,drugs and catalyzer;ceramic and enamel;