| ≥1 piece |
|
Test items
|
Specifications
|
|
Appearance
|
White crystalline powder
|
|
Specific rotation[a]20D
|
+26.9C~+27.9C
|
|
State of solution(transmittance)
|
98.0% min
|
|
Assay
|
99.0%~101.0%
|
|
Chloride content
|
0.020% max
|
|
Ammonium(NH4)
|
0.02% max
|
|
Sulfate (SO4)
|
0.02% max
|
|
Iron(Fe)
|
10ppm max
|
|
Heavy metals (Pb) ppm
|
10ppm max
|
|
Arsenic (As2O3)
|
1ppm max
|
|
The other amino acids
|
Not detected
|