TOTAL ACIDITY: 99. 6% Min
ASH: 0. 1% Max
IRON: 0. 02% Max
LOSS ON IGNITION: 0. 08% Max
SULFATE: 0. 1% Max
CHLORIDE ppm: 20 max
HEAVY METAL ppm: 10 max

 

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.

 

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