Items	Spec
TOTAL ACIDITY %≥	99.6
ASH %≤	0.1
IRON ≤	0.02
LOSS ON IGNITION %≤	0.08
SULFATE%≤	0.1
CHLORIDE ppm≤	20
HEAVY METAL ppm≤	10

 

Properties: Oxalic acid forms fine colourless crystals, readily soluble in water, with light nitrogen oxides-like odour. Oxalic acid dihydrate begins to dissociate at temperature over 30 ⁰C. If heated quickly, it melts at 101.5 ⁰C,anhydrous oxalic acid melts at 180 ⁰C.

 

 

Applications: 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.