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| SPECIFICATIONS | STANDARD | ANALYSIS RESULT |
| Description | White or yellowish crystalline powder | White crystalline powder |
| Assay | ≥ 96.0% | 96.7% |
| Menadione | ≥ 50.0% | 50.4% |
| Water content | ≤ 13.0% | 12.6% |
| NaHSO3 | ≤ 5.0% | 4.9% |
| Heavy metals (as Pb) | ≤ 0.002% | ≤ 0.002% |
| Arsenic | ≤ 0.0005% | ≤ 0.0005% |
| Solution color | No. 4 of yellow and green standard colorimetric solution |
Meets requirement |
Conclusion: The product complies with GB/T 7294-2009(U. V) standard. |
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Suppliers with verified business licenses
Audited Supplier 
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