| Type: | The First Class |
|---|---|
| Transport Package: | 1kg/Alu Foil Bag, 25kg/Drum |
| Specification: | 40*40*60cm |
|
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|
Item |
Specification |
|
Appearance |
White or almost white crystal powder |
|
Identification |
HPLC: The retention time obtained from the test solution corresponding to that obtained from the standard solution |
|
IR: IR of the sample corresponding to that reference standard |
|
|
Color and clarity of solution |
The solution should be clear and colorless, and the absorbance at 400nm and 650nm are not greater than 0.150 and 0.030 |
|
Specific rotation |
+24~28° |
|
PH |
3.1~4.1 |
|
Loss on drying |
≤ 0.5% |
|
Melting point |
143~149°C |
|
Fumarate content |
83.7~87.3mg |
|
Residue on ignition |
≤ 0.1% |
|
Heavy metals |
≤ 0.001% |
|
Solvent residue |
≤ 0.5% |
|
Chromatographic purity |
Any identified impurity ≤ 1.0% |
|
Any unidentified impurity ≤ 0.5% |
|
|
Total impurities≤ 2.0% |
|
|
Assay (on dried basis) |
98.0~102.0% |
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