... 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 ... precipitating agent of rare earth elements,bleaching,metal and marble polish,cleanser removing stains,tanning industry,printing and dyeing catalytic agent,anti- ...