Oxalic Acid Specification: Total Acidity: 99.6% min Ash: 0.1% max Iron: 0.02% max Loss on ignition: 0.08% max Sulfate: 0.1% max Chloride: 0.002% max Heavy metal: 0.001% max Packing: 25/ 50 kg grey colour PP bag, , 23MT/ 20’ FCL