Item | Standard | Results | |
Appearance | White crystalline powder | White crystalline powder | |
MSB Content (%) | ≥96.0 | 97.9 | |
Menadione (%) | ≥50.0 | 51.0 | |
Free Sodium Bisulfite (%) | ≤5.0 | 3.8 | |
Water (%) | ≤13.0 | 11.2 | |
Colour of solution | ≤No.4 of yellow and green standard colorimetric solution | Conform | |
Sulfonic acid menadione | No precipitation | Conform | |
Chrome (mg/kg) | ≤45.0 | 24.1 | |
Heavy metals(Pb) (%) | ≤0.002 | Conform | |
Arsenic salt(%) | ≤0.0005 | Conform |