Phosphoric Acid Industry Grade (85%) Phosphoric Acid Industry Grade (85%) H3PO4 compliance to the standards of GB3149-2004 Colour≤20H3PO4, %≥85.0Chloride(Cl), %≤0.0005SO4, %≤0.003Iron(Fe), %≤0.002Arsenic(As), %≤0.0001Heavy metal(Pb), %≤0.001 Pack:In 35KG plastic drum, 330KG plastic drum, IBC drum or in bulk.Use:Metal surface treatment agent, raw material for phosphate, organic reaction catalyst, ...