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. 



If you have any quetion,please contact me,my email is zhengwenjing at smjchem.com and my MSN is zhengwenjing0304 at hotmail.com