Packaging Material: | Paper Box/Drum |
---|---|
Storage Method: | in Dark and Dry |
Shelf Life: | 2 Years |
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Testing Item |
Standard |
Result |
Apperance |
White powder or similar-white crystalline powder |
White crystalline powder |
Odor |
Slight olid or slight pungent |
slight pungent |
(C11H8O2•NaHSO3•3H2O)/% |
≥96.0% |
97.0% |
Menadione/% |
≥50.0% |
50.57% |
H2O/% |
≤13.0% |
9.88% |
Water solubility w/v |
≥2.0% |
conforms |
Heavy metals (Pb) |
≤20ppm |
<20ppm |
As |
≤0.0005% |
<0.0005% |
NaHSO3 |
≤10% |
3.38% |
Fluidity |
Good |
conforms |
Particle size |
100% pass through 40mesh |
conforms |