Formula : (COOH)2·2H2O
CAS NO. : 6153 - 56 - 6
Appearance : White crystal & powder; free flowing.
Specification :
Item |
Normal Grade |
Low Ash Grade |
Refine Grade |
Product Code |
YP1 |
YP2 |
YP3 |
YPRG1 |
YPRG2 |
YPRG3 |
YPRG4 |
Purity as H2C2O4·2H2O min |
99.60% |
Sulphate as SO4 max |
0.08% |
0.08% |
0.07% |
0.07% |
100 ppm |
20 ppm |
10 ppm |
Chloride as Cl max |
0.001% |
0.001% |
0.001% |
0.001% |
5 ppm |
5 ppm |
5 ppm |
Ignition 850℃ max |
0.05% |
0.04% |
0.03% |
0.02% |
100 ppm |
100 ppm |
100 ppm |
Heavy Metal as Pb max |
10 ppm |
10 ppm |
5 ppm |
10 ppm |
2 ppm |
1 ppm |
1 ppm |
Iron as Fe max |
15 ppm |
10 ppm |
5 ppm |
5 ppm |
5 ppm |
2 ppm |
1 ppm |
Ca max |
|
10 ppm |
5 ppm |
10 ppm |
2 ppm |
2 ppm |
1 ppm |
Na max |
|
100 ppm |
80 ppm |
50 ppm |
|
2 ppm |
1 ppm |
Mg max |
|
|
|
|
|
2 ppm |
1 ppm |
Cu max |
|
|
|
|
|
2 ppm |
1 ppm |
Zn max |
|
|
|
|
|
2 ppm |
1 ppm |
As max |
|
|
|
0.5 ppm |
0.5 ppm |
0.5 ppm |
0.5 ppm |
Uses :
* 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 :
*
In 25 kgs net Polywoven Bag , inner with PE bag ;
* In 25 kgs net Single Ply Polyethylene Bag , inner with PE bag;
* In 25 kgs net Kraft Paper Compounded bag , inner with PE bag ; In 300, 500, 1000 kgs jumbo bag are available.
|
