Table 2: Absorbance and absorptivity values of Cetirizine Hydrochloride at λ max 244 nm and 230 nm, respectively.

Serial numberConcentration
(µg/mL)
*Absorbance at 244 nm ± S.D *Absorbance at 230 nm ± S.DAbsorptivity at 244 nm Absorptivity at 230 nm

12 0.00950.0385
24 0.00630.0375
36 0.00750.0348
48 0.00640.0334
510 0.00540.0332
612 0.00580.0328
714 0.00560.0334
816 0.00560.0331
918 0.00560.0325
1020 0.00540.0327

Average

Each value is the average of three determinations.