Table 5.
Precision and Accuracy of the Proposed HPLC Technique for Determination of Standard Propranolol Hydrochloride
|
*Conc. Taken µg.mL−1 |
Area Under the Cure |
Conc. Found µg.mL−1 |
Recovery % |
± SD |
| 0.2 | 25.4 | 0.202 | 101.00 | + 1.00 |
| 0.4 | 50.8 | 0.401 | 100.25 | + 0.25 |
| 0.6 | 76.3 | 0.600 | 100.00 | + 0.00 |
| 0.8 | 101.6 | 0.809 | 101.12 | + 1.12 |
| 1 | 127 | 1.002 | 100.20 | + 0.20 |
| 1.2 | 152.4 | 1.190 | 99.16 | - 0.84 |
| 1.4 | 177.8 | 1.398 | 99.86 | - 0.14 |
| 1.6 | 203.2 | 1.598 | 99.87 | - 0.13 |
| 1.8 | 228.6 | 1.797 | 99.83 | - 0.17 |
| 2 | 254 | 1.996 | 99.80 | - 0.20 |
| 2.2 | 279.4 | 2.195 | 99.77 | - 0.23 |
| 2.4 | 304.8 | 2.395 | 99.80 | - 0.20 |
| 2.6 | 330.2 | 2.594 | 99.76 | - 0.24 |
| 2.8 | 355.6 | 2.793 | 99.75 | - 0.25 |
| 3.0 | 384.6 | 3.021 | 100.72 | + 0.72 |
| Mean ±SD | 100.06 | 0.38 |
Notes: *Average of three experiments