POTASSIUM NITRATE (KNO3)
Appearance : White Crystal Powder/ White Granular/ Prill Nitrogen : 13.5% min K2O : 46.3% min Chloride : 0.03% max Sulfate : 0.01% max Water insolution : 0.01% max
POTASSIUM SULPHATE (K2SO4)
Appearance : White powder
Soluble : 99.5% min
K2O : 50.0% min
Chloride : 1.0% max
Sulfur : 18% min
Moisture : 0.5% max
COPPER SULPHATE (CuSO4.5H2O)
Appearance: Light Blue Crystal
Cu : 24.5% min
Cl : 500ppm max
Fe : 100ppm max
Pb : 30ppm max
As : 10ppm max
Cd : 10ppm max