Table 2 Analytical data for the adopted HPLC method.

From: Factorial design-assisted reverse phase HPLC–UV approach for the concurrent estimation of cetirizine and azelastine in aqueous humor

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