Research Article
Validation and Application of Screen-Printed Microchip for Potentiometric Determination of Metformin Hydrochloride in Tablet Dosage Form
Table 4
Metformin hydrochloride in commercially available pharmaceutical formulations data (n = 3).
| | No. | Commercially available pharmaceutical formulations | Origin | Weight of tablet (gm) | Added (nominated) value (mg) | Measured value (mg) | Recovery (%) |
| | 1 | Tablet, 500 | Oman | 0.602 | 83.0 | 74.5 | 89.7 | | 2 | Tablet, 750 | Saudi Arabia | 1.093 | 68.0 | 68.5 | 100.7 | | 3 | Tablet, 850 | France | 0.897 | 94.0 | 91.1 | 96.9 | | 4 | Tablet, 1000 | France | 1.071 | 93.4 | 88.6 | 94.8 | | Average recovery | 95.5 |
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