| CAS No.: | 6153-56-6 |
|---|---|
| Formula: | H2c2o4.2H2O |
| EINECS: | 205-634-3 |
| Classification: | Phosphoric Acid |
| Appearance: | Powder |
| Grade Standard: | Agriculture Grade |
| Samples: |
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| Customization: |
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Audited Supplier White transparent crystal combining wo crystal water, Melting point: 101-102ºC, Specific agravity: 1.653, easily sublimate at 100ºC, easily dissolve in alcohol and water.
| Formula | C2H2O4.2H2O |
| Oxalic Acid Content | ≥99.6% |
| Sulphate (SO42-) | ≤ 0.07% |
| Chloride (Cl -) | ≤0.005% |
| Heavy Metals (Pb2+) | ≤0.0005% |
| Ignition Residue | ≤0.01% |
| Ferrous (Fe3+) | ≤ 0.0005% |
| Test Item | Standard | Test Results | Test Methods | ||
| Superior Product | First-Class Product | Qualified Product | |||
| Appearance | White Crystal Powder | Qualified | Visual Inspection | ||
| Oxalic acid ( H2C2O4.2H2O) |
≥99.6% | ≥99.0% | ≥96.0% | 99.92% | GT-B 1626-2008 |
| Sulfate (as SO4) | ≤0.07% | ≤0.10% | ≤0.20% | 0.003% | GT-B 1626-2008 |
| Burning residue | ≤0.01% | ≤0.08% | ≤0.20% | 0.003% | GT-B 1626-2008 |
| Heavy Metal (as Pb) | ≤0.0005% | ≤0.001% | ≤0.02% | 0.0005% | GB-T7532 |
| Iron (Fe) | ≤0.0005% | ≤0.0015% | ≤0.01% | 0.0002% | GT-B 1626-2008 |
| Chloride (Cl) | ≤0.0005% | ≤0.002% | ≤0.01% | 0.0005% | GT-B 1626-2008 |
| Calcium(Ca) | ≤0.0005% | 0.00003% | GT-B 1626-2008 | ||
| Conclusion: | The product was tested and determined to be Superior Product | ||||
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Audited Supplier 
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