vitaminB3 niacin 3-carboxypyridine
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Items |
Specification |
Results |
Characteristics |
White crystalline powder |
Pass |
Assay |
99.0~101.0% |
99.7% |
Heavy metals |
≤ 0.001 |
< 0.001 |
Related substances |
Complies with the standard |
pass |
Sulphated ash |
≤ 0.02 |
< 0.02 |
Melting point |
234~240°C |
236.2~237.3°C |
Loss on drying |
< 1.0 |
0.40 |
Chloride |
≤ 0.02 |
0.07 |
Conclusion: All the results conform to the USP34 |
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