Specification:
Test items | Specifications | Results | |
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% | Conform | |
Heavy metals (ad Pb) | ≤20ppm | <20ppm | |
As | ≤0.0005% | <0.0005% | |
NaHSO3 | ≤10.0% | 3.38% | |
Fluidity | Good | Conform | |
Particle size | 100% pass through 40mesh | Conform |