Table 2 Evaluation of the accuracy of the analytical procedure for the determination of VZN (n = 3)
Amount taken (ng mL− 1) | Amount found (ng mL− 1) | Recovery͙͙ (%) | Standard deviation | RSD (%) |
|---|---|---|---|---|
20 | 19.93 | 99.64 | 1.80 | 1.80 |
50 | 49.52 | 99.04 | 0.78 | 0.79 |
100 | 100.53 | 100.53 | 1.08 | 1.08 |
200 | 196.76 | 98.38 | 1.56 | 1.59 |
300 | 301.59 | 100.81 | 0.63 | 0.62 |