vitaminB3 niacin
1.wholesale from factory directly
2.high quality and best service
3.meet with the international standard
4.natural product
Item |
Standards |
Result |
Assay(%) |
99—101.0 |
99.7% |
Identification A |
Conform |
Comform |
Identification B (Ratio: A237/A262) |
0.46-0.50 |
0.47 |
Loss on drying, % |
≤1.0 |
0.19 |
Resodie on ignition |
≤0.1 |
0.02 |
Chloride,% |
≤0.02 |
<0.02 |
Sulfate,% |
≤0.02 |
<0.02 |
Heavy metals,% |
≤0.002 |
<0.002 |
Ordinary impurities |
Conform |
Conform |
Conclusion:This material complies with USP34 |
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