| Test |
Specifications |
| Description |
White crystalline powder |
| Solubility |
Freely soluble in water, Slightly soluble in alcohol. |
Identification
|
The infrared absorption spectrum of the sample should concordant with that of the standard spectrum of the Metformin Hydrochloride working standard. |
|
Should respond to the test for chlorides |
| Loss on drying at 105oC |
Not more than 0.50% |
| Residue on ignition |
Not more than 0.10% |
| Heavy metals |
Not more than 0.001% |
Related compounds by HPLC
|
Not more than 0.02% Not more than 0.10% Not more than 0.50% |
| Assay by Potentiometry |
Not less than 98.5% and Not more than 101.0% (on dried substance) |

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