Oxidative Coupling Assay for Mesalazine Determination in Pharmaceuticals and Spiked Human Plasma Utilizing Syringic Acid

Table 1

Sensitivity and regression parameters.

Parameter	Values
λmax (nm)	615
Beer’s low limit (µg·mL^−1)	1.25–50
Molar absorptivity (L·mol^−1·cm^−1)	0.53 × 10^4
Sandell sensitivity (µg·cm^−2)	0.068
LOD (µg·mL^−1)	0.093
LOQ (µg·mL^−1)	0.282
Intercept	0.3087
Slope	0.0145
Coefficient of determination (R^2)	0.9993