|
Items |
Specification |
|
Appearance: |
Grayish-yellow to light yellow hygroscopique powder |
|
Identification IR:
Identification HPLC: |
Comparaison diosmin CRS
Complies to the test solution |
|
Solubility: |
Practically insoluble in water, soluble in dimethylsulphoxide, practically insoluble in alcohol, dissolves in dilute solution of alkali hydroxides. |
|
Iodine content: |
Not more than 0.1% |
|
Impurities:
1. Acetoisovanillone:
2. Hesperidin:
3. Isorhoifolin:
4. Linarin:
5. Diosmitin:
Other impurities:
Total other impurities and impurity A:
Total impurities: |
Not more than 1%
Not more than 5%
Not more than 3%
Not more than 3%
Not more than 3%
Not more than 1%
Not more than 1%
Not more than 10% |
|
Heavy metals: |
Not more than 20ppm |
|
Water: |
Not more than 6% |
|
Sulfated ash: |
Not more than 0.2% |
|
Assay (by HPLC): |
90-102% |
|
Particular size: |
100% below 75¦Ìm |
