Table 2 Analytical data for the adopted HPLC method.
Parameter | Cetirizine | Azelastine |
|---|---|---|
Linearity range (µg mL−1) | 1.0–30 | 0.5–10 |
Intercept (a) | − 3.4454 | 6.0043 |
Slope (b) | 26.4582 | 45.5744 |
Correlation coefficient (r) | 0.9998 | 0.9998 |
N | 9 | 7 |
Standard deviation of residuals (Sy/x) | 4.9471 | 3.5797 |
Standard deviation of intercept (Sa) | 2.4889 | 2.1845 |
Standard deviation of slope (Sb) | 0.1804 | 0.4213 |
%Relative standard deviation (%RSD) | 1.385 | 1.128 |
%Error | 0.461 | 0.427 |
Limit of detection (LOD) (µg mL−1) | 0.310 | 0.158 |
Limit of quantitation (LOQ) (µg mL−1) | 0.941 | 0.479 |