Research Article
Electrochemical Determination of Metronidazole in Tablet Samples Using Carbon Paste Electrode
Table 1
Amount of MTZ detected in three brands of drug samples using the developed method.
| Tablet | Solution | Expected/μM | Detected |
Labelled value (mg/tablet) | Measured% | /μM | /(mg/tablet) |
| APF | a | 35 | 28.789 | 205.640 | 250 | 82.256 | b | 70 | 63.125 | 225.445 | 250 | 90.178 | c | 88 | 86.225 | 244.957 | 250 | 97.983 |
| EPHARM | a | 35 | 32.573 | 232.665 | 250 | 93.066 | b | 70 | 67.178 | 239.919 | 250 | 95.968 | c | 88 | 87.709 | 249.175 | 250 | 99.670 |
| Indian | a | 35 | 32.774 | 234.103 | 250 | 93.641 | b | 70 | 63.308 | 226.099 | 250 | 90.440 | c | 88 | 84.965 | 241.378 | 250 | 96.551 |
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Mean of triplicate measurements.
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