New Simple Spectrophotometric Method for the Simultaneous Estimation of Paracetamol and Flupirtine Maleate in Pure and Pharmaceutical Dosage Form

Table 2

Absorptivity value for FLU.

Concentration (µg/mL)	Absorbance	Absorptivity	Absorbance	Absorptivity
	𝜆1−245 nm	𝜆1−245 nm	𝜆2−344.5 nm	𝜆2−344.5 nm
1.53	0.054	351.01	0.075	487.51
2.30	0.081	351.01	0.115	498.35
3.07	0.108	351.01	0.152	494.01
3.84	0.134	348.41	0.187	486.21
4.61	0.163	353.18	0.225	487.51
	Absorptivity for 𝜆1	350.92	Absorptivity for 𝜆2	490.72

Developed method was validated as per ICH [24] guidelines.