oxalic acid:
h s code: 29171110
appearance: white crystal powder
cas no.: 6153-56-6
einecs: 205-634-3
mf: h2c2o4
specification:
purity % | 99.6min |
residue on ignition % | 0.1max |
heavy metal(as pb) % | 0.002max |
chloride(cl) % | 0.005max |
so42- % | 0.04max |
fe % | 0.002max |
application:
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.