|
Testing items |
Specifications |
Results |
|
Appearance |
Colorless to white crystals |
Confirms |
|
Sulphate |
≤0.02% |
0.0032% |
|
Loss on drying |
37.0%~41.0% |
37.63% |
|
PH |
7.0~9.0 |
7.65 |
|
Arsenic(As2O3) |
≤ 3ppm |
NA |
|
Iron |
≤ 20ppm |
1.37 |
|
Pb |
≤ 10ppm |
1.50 |
|
Cd |
≤ 10ppm |
0.09 |
|
Assay |
98.0%~101.0% |
98.69% |
|
Conclusion: The Product Conforms to USP. |
||
