Development of an HPLC-UV Method for the Analysis of Drugs Used for Combined Hypertension Therapy in Pharmaceutical Preparations and Human Plasma

Table 2

Parameters corresponding to linear regression obtained from the calibration curves for the plasma samples.

Drug substance	Slope ± SD	Intercept ± SD	Correlation coefficient	Linear range
OLM	31947	−5036.2	0.9995	0.4–25.6 𝜇g/mL
HCT	25436	−5846.7	0.9999	0.3–22 𝜇g/mL
VAL	36544	−1005.4	0.9998	0.3–15.5 𝜇g/mL
AML	34770	−10953	0.9998	0.1–18.5 𝜇g/mL