Item | Specifications | Result | |
Appearance | Colorless liquid | Colorless liquid | |
Content(C2H4O3) | 70.0%-72.0% | 70.58 | |
Free acid(C2H4O3) | ≥ 62.0% | 64.01 | |
Clarity experiment | Pass | Pass | |
Water Insoluble | ≤0.01% | 0.004% | |
Residue on ignition | ≤0.3% | 0.02% | |
Chroma | ≤5 | 3 | |
H2SO4 experiment(darkened Substances) | Pass | Pass | |
Chloride as Cl | ≤0.001% | 0.0005% | |
Sulfates as SO4 | ≤0.05% | 0.01% | |
Iron | ≤0.001% | 0.0003% | |
Pb | ≤0.001% | 0.0002% | |
As | ≤0.0002% | 0.00005% | |
Conclusion: | The above product conforms to the requirements. |