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By certification 
Property: White crystal & powder; 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.
Use:
Bleaching agent in the textile activities, wood pulp bleaching;
Purifying agent in pharmaceutical industry, special in antibiotic medication, such as Oxytetracycline, Chloramphenicol, etc;
Precipitating agent in Rare-earth mineral processing;
Rust-remover for Metal treatment;
Grinding agent, such as Marble polishing;
Waste water treatment, removing calcium from water.
Precipitating agent in Rare-earth mineral processing;
temperature over 30 0C. If heated quickly, it melts at 101.5 0C, anhydrous oxalic acid melts at 180 0C.
Use:
Bleaching agent in the textile activities, wood pulp bleaching;
Purifying agent in pharmaceutical industry, special in antibiotic medication, such as Oxytetracycline, Chloramphenicol, etc;
Precipitating agent in Rare-earth mineral processing;
Rust-remover for Metal treatment;
Grinding agent, such as Marble polishing;
Waste water treatment, removing calcium from water.
Precipitating agent in Rare-earth mineral processing;
