| ≥1 piece |
|
Test
|
Requirement
|
|
Solubility in Water
|
Freely Soluble
|
|
Solubility in Ethanol
|
Slightly Soluble
|
|
Ultraviolet Absorption
|
227 + 2nm
|
|
Test for Potassium
|
Positive
|
|
Precipitation test
|
Yellow Precipitate
|
|
Test
|
Requirement
|
|
Assay Content %
|
99.0 ~ 101.0%
|
|
Loss on Drying(105 ℃ ,2h) %
|
? 1.0
|
|
Organic impurities μg/g
|
? 20
|
|
Impurity A %
|
? 0.125
|
|
Impurity B mg/kg
|
? 20
|