Cov tsos mob: dawb crystalline hmoov los yog dawb crystalline hmoov.
Cov ntsiab lus: ≥99.50%
Melting point: 184.0-187.0 ° C
Sulphate (SO42-): 0.02%
Cov hlau hnyav (raws li Pb2+): 0.001%
Reductant ntawm poov tshuaj permanganate (ml): ≤2.0%
Cov tshuaj insoluble hauv dej: ≤0.02%