... 6% is used for Pharmaceutical industry,precipitating agent of rare earth elements,bleaching,etc SpecificationsOxalic acid 99.6% is ... used for Pharmaceutical industry,precipitating agent of rare earth elements,bleaching,etcProduct name: Oxalic acid 99.6% ... Cl) ≤%0.0005Use: Pharmaceutical industry,precipitating agent of rare earth elements,bleaching,metal and marble polish,cleanser removing stains, ...