≥1 piece |
Character White crystals or white crystalline powder, odorless,sweet taste
Identification Positive reaction
Melting point 224-227°C
Chloride ≤0.005%
Sulfate ≤0.006%
Calcium Negative
Iron ≤0.0005%
Loss on Drying ≤0.5%
Residue on Ignition ≤0.1%
Heavy Metals(PB) ≤0.001%
Assay ≥98.0%