SPECIFICATIONS :(INSPECTION STANDARD:GB3149-92) ==================================================== NAME OF INDEX STATE STANDARD RESULTS OF ANALYSIS COLOUR 20 MAX. 10 PHOSPHORIC ACID(H3PO4) 85.0% MIN. 85.24% CHLORIDE(Cl) 0.0005% MAX. 0.0001% SULPHATE(SO4) 0.003% MAX. 0.0015% HEAVY METAL(AS Pb) 0.001% 0.0003% ARSENIC(As) 0.0001% MAX. 0.00004% FLUOR(F) 0.005% MAX 0.0004% H3PO3 0.012%MAX 0.0033%