Specification
Appearance | White crystals or crystalline powder | White crystals or crystalline powder |
Content | 98.5% | 98.71% |
Loss on drying % | 1.0% | 0.49 |
PH | 5.0% ~ 6.0% | 5.72% |
Specific Rotation | +18.0°~ +21.5° | +20.65° |
Heavy Metals(as pb) | 0.003% | Pass |
As | 0.0002% | Pass |
Ammoniumate(as NH4) | 0.04% | 0.016 |