| ● |
Specification |
： |
Appearance White crystalline powder
Assay,% 99.0 – 101.0
Specific Rotation,[a]D20,o -34.5 – 36.5
Transmittance,% 98.0 Min,
Loss on drying,% 11.5 – 12.5
Residue on ignition,% 0.1 Max.
Chloride content,ppm 200 Max.
NH4，% 0.1 Max.
Fe,ppm 10 Max.
Pb,ppm 10 Max.
As2O3,ppm 1 Max. |
