Phosphoric acidß+dß below is the specification:
Main content (h3po4) 85.0% min.
Colour 30% max.
Chloride (as cl) 0.0005% max.
Sulphates (as so4) 0.005% max.
Iron(fe) 0.002% max.
Arsenic (as) 0.008% max.
Heavy metals (as pb) 0.001% max.
Packing in blue jar 35kg
