Purity: 99.6% Place of Origin: China CAS No.: 144-62-7 Oxalic AcidProduct Details:Chemical Formula: C2H2O4.2H2OContent: 95%, 99%, 99.5%, 99.6%. Items SpecificationSpecificationTotal Acidity99.6% min99.5% minAsh0.1% max0.1% maxIron0.02% max0.02% maxLoss on ignition0.08% max0.08% maxSulfate0.1% max0.1% maxChloride20 ppm max20 ppm maxHeavy metal10 ppm max10 ppm maxApplications:Purifying agent in ...