1. HS Code: 291711104

      2. Technical Indexes:

      Total Acidity:  99.6%min

      Ash: 0.1%max

      Iron: 0.02%max;1.4%max

      Loss on ignition: 0.08%max

      Sulfate:0.1%max

      Chloride:20ppm max

3 Application:

1. Oxalic acid can be used as purifying agent in pharmaceutical industry, especially 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