≥1 piece |
Molecular Formula: H2C2O4•2H2O |
CAS number: 144-62-7 |
Specifications: |
ITEM |
Specifications |
||
Oxalic acid (as H2C2O4·2H2O) %≥ |
99.6 |
99 |
96 |
Sulfate (as SO4) %≤ |
0.07 |
0.10 |
0.20 |
ignition residue (650°C) |
0.01 |
0.08 |
0.20 |
Heavy metals (as Pb) %≤ |
0.0005 |
0.001 |
0.02 |
Iron (as Fe) |
0.0005 |
0.0015 |
0.01 |
chloride (as Cl)%≤ |
0.0005 |
0.002 |
0.01 |
calcium (as Ca) %≤ |
0.0005 |
0.002 |
0.01 |
Properties:
Oxalic acid forms fine colorless crystals, readily soluble in water, with light nitrogen oxides-like odour. Oxalic acid dehydrate begins to dissociate at temperature over 30
Applications:
1) Purifying agent in pharmaceutical industry, special in antibiotic medication, such as oxytetracycline , Chloramphenicol , etc;
2) Precipitating agent in Rare-earth mineral processing;
3) Bleaching agent in the textile activities, wood pulp bleaching;
4) Rust-remover for Metal treatment;
5) Grinding agent, such as Marble polishing;
6) Waste water treatment, removing calcium from water.
Packing: 25kgs/50kgs in P.P bag, 23MTs20'FCL