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Ruggedness of ARA-IIs by potentiometry and UV spectroscopy.
| ARA-IIs* | Potentiometry (RSD) (%) (n=3) |
UV spectroscopy (RSD) (%) (n=3) |
||
|---|---|---|---|---|
| Inter-analysts | Inter-instruments | Inter-analysts | Inter-instruments | |
| Eprosartan mesylate | 1.75 | 0.96 | 1.39 | 1.12 |
| Irbesartan | 1.65 | 1.54 | 1.84 | 1.28 |
| Telmisartan | 1.32 | 1.32 | 1.69 | 1.31 |
| Valsartan | 1.19 | 1.29 | 1.34 | 1.39 |
Average of three concentrations of each ARA-II within the range of study in each method.
