Item |
Standard |
Analysis data |
Specific rotation[α]20/D (C=5,1mol/L HCL) |
+10.5° to +12.3° |
+11.32° |
Chloride (Cl) |
Not more than 0.10% |
0.05% |
Sulfate (SO4) |
Not more than 0.2% |
0.18 % |
Heavy metal(Pb) |
Not more than 10ppm |
<10ppm |
Arsenic(As2O3) |
Not more than 2ppm |
<2ppm |
Loss on drying |
Not more than 0.20% |
0.12% |
Assay |
98.0% to101.0% |
99.3% |