Items	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	20Ppm Max
Heavy metal	10Ppm max

Usage:  Oxalic acid can be used purifying agent in pharmaceutical industry, special in antibiotic medication, such as Oxytetracycline , Chloramphenicol, etc; Precipitating agent in Rare-earth mineral processing; Bleaching agent in the textile activities, wood pulp bleaching; Rust-remover for Metal treatment;  Grinding agent, such as Marble polishing; Waste water treatment, removing calcium from water.