|
Items |
Spec |
|
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 |
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.
Packing: 25/50 kgs grey colour PP bag of top grade linerfilm,good properties of waterproof and avoid water,solarization;
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.