Table 2.
A comparison between different methods of famotidine determination
| Method | Electrode | Linear range | Detection limit | Matrix | Reference |
|---|---|---|---|---|---|
| HPLC | - | 10-100 µg mL-1 | 10 µg mL-1 | Tablet | (35) |
| Spectrophotometry | - | 2.5-25 µg mL-1 | 0.62 µg mL-1 | Tablet | (31) |
| SW AdSV | CG-MDE | 0.17-20.2 µg mL-1 | 0.02 µg mL-1 | Pure drug form | (40) |
| LS AdSV | CG-MDE | 0.34-13.5 µg mL-1 | 0.06 µg mL-1 | Pure drug form | (40) |
| HPLC | - | 0.631-252 ng mL-1 | 0.252 ng mL-1 | Plasmaa | (37) |
| HPLC | - | 0.631-252 ng mL-1 | 0.252 ng mL-1 | Plasmab | (37) |
| HPLC | - | 0.075-30.0 µg mL-1 | 0.015 µg mL-1 | Urinec | (37) |
| Spectrophotometry | - | 2-61 μg mL-1 | 0.28 μg mL-1 | Pure drug form | (32) |
| Gas chromatography | - | 80-700 ng mL-1 | 17 ng mL-1 | Pure drug form | (38) |
| HPLC with UV detection | - | 5-25 μg mL-1 | 0.134 μg mL-1 | Pure drug form | (36) |
| Spectrofluorimetry | - | 10-100 ng mL-1d | 0.79 ng mL-1e | Pure drug form | (33) |
| Spectrofluorimetry | - | 5-70 ng mL-1f | 0.74 ng mL-1g | Pure drug form | (33) |
| Spectrofluorimetry | - | 5-60 ng mL-1h | 1.71 ng mL-1i | Pure drug form | (33) |
| CZE | - | 1.5-48 μg mL-1 | 0.09 μg mL-1 | Tablet | (39) |
| Potentiometry | ISME | 3.37-337.5 mg mL-1 | - | Tablet | (34) |
| Amperometry | MCPE | 6.75-47.2 mg mL-1 | 1.99 mg mL-1 | Tablet | This study |