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Table 3 Linearity and regression values for proposed methods

From: A novel stability-indicating method for determination of a new antidepressant effect of vortioxetine in a pharmaceutical formulation by using RP-HPLC

Method

RP-HPLC

Derivative spectrophotometry

Wavelength, nm

225.0

237.7

257.2

Working range (μg mL−1)

10.0 -70.0

6.0 -30.0

6.0-30.0

Slope (μg mL−1)

0.1116

0.0018

0.0011

Intercept

0.0770

0.0015

0.0005

Correlation coefficient, R2

0.9998

0.9999

0.9997

LOD (μg mL−1)

0.243

0.9623

0.5746

LOQ (μg mL−1)

0.811

3.2075

1.5486