Calium Nitrate Prills

Calcium nitrate PMolecular formula: 5Ca(NO3)2. NH4NO3. 10H2O,
Assay: 99. 0%min, Appearance: 2-4mm white granular
Ca: 18. 6%min,

N: 15. 5%min, water insolubles: 0. 01%max
Heavy metal: 0. 001%max, PH value: 5-7, Cl: 0. 005%max, Fe: 0. 002%max, SO4: 0. 03%max