85% Phosphoric Acid (Food Grade & Industrial Grade)is one of our most competitive products in our export commodities. Our specification is as below for your kind reference: For Industrial Grade: As:0.005% max. Pb:0.001% max. Cl:0.0005% max. SO4:0.005% max Fe:0.002% max. Color: 30 max. For Food Grade: As:0.0001% max. Pb:0.001% max. Cl:0.0005% max. SO4:0.005% max. H3PO3:0.012% max. F:0.001% max. Color: 20 max. Packed in 35kg plastic drum or 330kg plastic drum. Please feel free to contact us once you have any inquiry.