CERTIFICATE OF ANALYSIS
NAME OF PRODUCT: VINPOCETINE BATCH NO.: 990701
REPORT DATE: JUL 2,1999
|
ITEMS |
STANDARDS |
RESULTS |
|
CHARACTERISTICS: |
ALMOST WHITE CRYSTALLINE POWDER, ODORLESS, TASTELESS |
PASS |
|
MELTING POINT: |
149.0 – 152.0℃ |
150.0 – 151.0℃ |
|
SPECIFIC ROTATION: |
+127 - +134° |
+130° |
|
LIGHT ABSORPTION INDEX: |
322 - 342 |
329.2 |
|
IDENTIFICATION: |
POSITIVE |
PASS |
|
CLARITY AND COLOR OF SOLUTION: |
AS STIPULATED |
PASS |
|
SULPHATE: |
AS STIPULATED |
PASS |
|
RELATED SUBSTANCES: |
AS STIPULATED |
PASS |
|
LOSS ON DRYING: |
≤0.5% |
0.28% |
|
HEAVY METALS: |
≤10PPM |
<10PPM |
|
ARSENIC: |
≤0.0001% |
<0.0001% |
|
RESIDUE ON IGNITION: |
≤0.1% |
0.04% |
|
ASSAY (ON DRY): |
≤98.5% |
99.34% |
|
CONCLUSION: |
CONFORMS TO WS-345(X-297)-66 STANDARD OF THE MINISTRY OF PUBLIC HEALTH OF CHINA |
|