|
Item |
Specifications |
||
|
Q320217UAP07-2008 |
BP 2009 |
USP32 |
|
|
Appearance: |
White crystalline powder |
White crystalline powder |
White crystalline powder |
|
Assay(on dry base) % |
99.0-104.0 |
98.5-101.5 |
99.0-105.0 |
|
Sulfate (SO42-), % |
≤1200 |
≤300 |
≤1200 |
|
Chloride(Cl), ppm |
≤350 |
≤350 |
≤350 |
|
Mositure, % |
≤5.0 |
≤5.0 |
≤5.0 |
|
Appearance of solution |
Clear |
Clear |
------------ |
|
Identification |
------------ |
Qualified |
Qualified |
|
Organic volatile impurities |
------------ |
------------ |
Qualified |
|
PH(10% solution) |
9.5-10.5 |
9.5-10.5 |
9.5-10.5 |