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| Shelf Life: | 2 Years, 2 Years |
|---|---|
| Nutrient Composition: | Vitamin, Vitamin |
| Resource: | Chemosynthesis, Chemosynthesis |
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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 |



