Analysis contents | Analysis standard BP2000 | Analysis results | |
Appearance | white, powder, prill, needle and with styrax benzoin smell | ||
Content%(as dry product C7H5NaO2) | ≥99.0-≤100.5% | 99.55% | |
Acid and Alkalinity | 0.20ml/0.1N | 0.20ml/0.1N | |
Heavy metals%( Pb) | ≤0.001% | 0.001% | |
Loss on drying | ≤1.5% | 1.32% | |
PH value | 7.5-8.0 | 7.5 | |
Total CL content | ≤0.03 | 0.03 | |
Pb mg/kg | 5mg/kg | 5mg/kg | |
As mg/kg | 3mg/kg | 3mg/kg | |
Hg mg/kg | 1mg/kg | 1mg/kg | |
Halogenide%(Fecl3) | ≤0.02 | 0.02 | |
Transparency and color | According to Y6 | According to Y6 | |
Dissoluble state | Passing test | Passing test | |
Polycyclic acids | Passing test | Passing test | |
Fusion point °C | 121.5-123.5 | 122.8 | |
Compound easy to be oxide | Passing test | Passing test |