Application: | Health |
---|---|
Disposable: | Non-Disposable |
Gender: | All |
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Testing Item
|
Standard
|
Result
|
Appearance
|
White crystalline powder with hygroscopicity
|
White crystalline powder
|
Assaying
|
97.0%∼103.0%
|
99.50%
|
Identification
|
Infrared or specific curl
|
positive reaction
|
Specific rotation
|
-29°∼-32°
|
-31.94°
|
PH
|
5.5~9.5
|
6.54
|
Wet
|
≤4.0%
|
0.24%
|
Loss on Drying
|
≤0.5%
|
0.03%
|
Heavy metals (Pb)
|
≤10mg/kg
|
conforms
|
Arsenic salt
|
≤1mg/kg
|
conforms
|
Chloride (in Cl)
|
≤0.4%
|
conforms
|