Purposes:

1>  Bleaching Agent: the textile activities, wood pulp bleaching

2>Reducing Agent: the industry of plastics, and dyeing

3> Purifying Agent: pharmaceutical industry, special in antibiotic medication, such as Oxytetracycline , Chloramphenicol , etc

4> Precipitating Agent: Rare-earth mineral processing

5> Grinding Agent: Marble polishing

6> Rust-remover for Metal treatment

7> Waste water treatment,: removing calcium from water