| ≥1 piece |
|
ITEM |
Specification |
Result |
|
Appearance |
White crystals or a white crystalline powder |
10-20mesh complies |
|
Identification |
Complies with BP/USP 226-230a |
226.8-229a |
|
Melting point |
4.5-5.5ml |
5.10ml |
|
Acidity or alkalinity |
Color is clear |
Complies |
|
Charity and color of solution |
Not more intensely |
Complies |
|
Readilt carbonisable Substances |
Colored than reference B6a ¤10PPM |
Complies |
|
Heavy metals |
10PPM of each |
Complies |
|
O-and p-toluenesulphonamide |
Not more than 15.0 W/W |
14.1 |
|
Water |
99-101 |
99.42 |
|
Assay |
No red color is produced |
No red color is produced |
|
Alkalinity |
with phenolphthalein Ts |
with phenolphthalein Ts |
|
organic Volatile impurities |
Complies with BP |
Complies with BP |
|
Benzoate and Calculate |
Complies with BP |
Complies with BP |
|
Arsenic |
a ¤3PPM |
Complies |
|
selenium |
a ¤0.003 |
Complies |
Certificate of Analysis