... 99.6% H2C2O4 2H2O PH:2.30-3.0(10% SOLUTION) Used as water treatment chemical, intermediates, pharmacy, dye, pri ... as As)%≤0.1Heavy metal (as Pb), ppm10Performance generally used for the decontamination of plant fiber fabric, rust cleaning ... elements. Oxytetracycline. Phenobarbital. Borneol; Usage The Product is mainly used in water treatment,intermediates, pharmacy, dye, printings, buildings and ...