Customization: | Available |
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CAS No.: | 110-16-7 |
Formula: | C4h4o4 |
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Items | Specification | Result |
Appearance | White granules or crystalline powder | White crystalline powder |
State of solution | Clarification | Conform |
Appearance of solution | Qualified | Conform |
Iron [Fe] | ≤5 mg/kg | <5 mg/kg |
Sulphated ash | ≤0.1% | <0.1% |
Moisture | ≤2.0% | 0.001 |
Fumaric acid | ≤1.5% | 0.001 |
Heavy metals [Pb] | ≤10 | <10 |
Assay (As C4H4O4) | 99.0%-101.0% | 0.998 |