| Model: | - |
|---|---|
| Brand: | - |
| Origin: | Made In China |
| Category: | Chemicals / Inorganic Chemical Materials / Inorganic Acid |
| Label: | oxalic acid , inorganic , chemical |
| Price: |
-
|
| Min. Order: | - |
| Last Online:02 Dec, 2010 |
|
index |
Wonderful grade |
First grade |
Up to grade |
|
purity% ≥ |
99.6 |
99.4 |
99.0 |
|
sulphate group % ≤ |
0.08 |
0.10 |
0.20 |
|
ignition (850 o C) % ≤ |
0.08 |
0.10 |
0.20 |
|
heavy metal % ≤ |
0.001 |
0.002 |
0.02 |
|
Iron content % ≤ |
0.0012 |
0.002 |
0.01 |
|
chlorides % ≤ |
0.003 |
0.004 |
0.01 |
|
calcium % ≤ |
0.0012 |
/ |
/ |
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 ℃.If heated quickly, it melts at 101.5℃. anhydrous oxalic acid melts at 180℃.
Use: 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.
Packaging: 25kg plastic woven bag.