Appearance white or light yellow powder Conforms
Assay 98%min 98.3%
Calcium 30%min 30.2%
Moisture 0.5%max 0.5%
PH(10% water solution) 7.0-7.5 7.2
As 0.0005%max 0.0005%
Heavy metals 0.002%max 0.002%
Density 990kg/m3-1210kg/m3 1100kg/m3
Mesh size 80-100 90
Decomposition temperature ≥400°C >400°C