Language
Grade: Pharmaceutical Grade
Factory Location: China
Main Sales Markets: Asia
Packaging Information: 25kgs/drum
Sample Provided: yes
| Appearance | White or almost white crystalline powder, smellless and bitter taste |
| Melting Point | 151-154°C |
| Structural Formula |  |
|
Colour Reaction |
Positive reaction |
|
Comparative Spectrum |
Retention time of the principal peak is identical with that of the comparative solution |
|
Comparative spectrum |
Infrared rays absorption spectrum is identical with comparative spectrum |
|
Clarify of solution and colour |
Be up to the standard |
|
PH |
5.0-7.0 |
|
Related substances |
The area of total impurities' peak isn't more than the area of the comparative solution's principal peak |
|
Loss on drying |
≤0.5% |
|
Residue on ignition |
≤0.1% |
|
Heavy Metals |
≤20ppm |
|
Assay (HPLC) |
98.0%-102.0% |
|
Microbial Limit Tests |
Conforms |
|
Packing |
25kgs or 20kgs/paper drum |
|
Usage |
Improve ideation and memory, used to cure memory and ideation regression caused by cerebral arteriosclerosis and cerebrovascular accidents |
