Table 2: Spectral characteristics for the reaction of the studied drugs with erythrosine Ba.

ParameterCTZEBSFXDKETLOR

(nm)
Linearity range (μg/mL)1–71–81–81–71–6
( ) ± SD*
± SD*
Intercept (a) ± SD*
Slope (b) ± SD*
LODb (μg/mL)
LOQc (μg/mL)

Average of six replicates.
bLimit of detection.
cLimit of quantitation.
*Standard deviation.