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
