|
|
Properties |
Specification |
|
Appearance |
white crystalline powder |
|
Identification |
Positive |
|
Loss on drying |
0.25% max |
|
Heavy metal |
0.001% max |
|
Arsenic |
0.0003% max |
|
Mercury |
0.0001% max |
|
Lead |
0.0002% max |
|
Zinc |
0.0025% max |
|
Copper |
0.0005% max |
|
PH |
7-8 |
|
Assay |
99.0-101.0% |
|
Organic voi impurities |
Meets usp requirements | |
|
