Research Article
Preparation, Characterization, and Analytical Application of Ramipril Membrane-Based Ion-Selective Electrode
Table 3
The accuracy and reliability of
result obtained with ramipril PVC matrix membrane electrode.
| Sample | Concentration, mol L−1 | Ramipril-phosphomolibdate | Ramipril-teraphenylborate |
| | | Found | Recovery % | Found | Recovery % |
| 1 | 1 10−3 | 0.95 10−3 | 95.0 | 0.95 10−3 | 95.0 | 2 | 2 10−3 | 1.87 10−3 | 93.5 | 1.90
10−3 | 95.0
| 3 | 3 10−3 | 2.91 10−3 | 97.0
| 2.92
10−3 | 97.3 | 4 | 4 10−3 | 3.94 10−3 | 98.5 | 3.94
10−3 | 98.5 | 5 | 5 10−3 | 4.98 10−3 | 99.6 | 4.93
10−3 | 98.6 |
| Averagere covery | | 96.7 | | 96.9 |
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