Ultraviolet Spectrophotometric Method for Determination of Glipizide in Presence of Liposomal/Proliposomal Turbidity

Table 1

Analytical parameters for determination of GLIP using the proposed method.

Parameter	Value
Analytical wavelengths (nm)	225, 230, and 235
Equation used for standard curve	𝐴230−(𝐴225+𝐴235)/2
Linearity range (𝜇g/mL)	1–20
Regression equation (𝐴=𝑎𝐶+𝑏)^a
Slope (𝑎)	0.00533
Intercept (𝑏)	0.00009
SD of intercept (𝑛=6)	4.39×10^−4
LOD (3.3 (SDintercept /Slope)) (𝜇g/mL)	0.27
LOQ (10 (SDintercept/Slope)) (𝜇g/mL)	0.82
Correlation coefficient	0.99929

^a𝐴: absorbance and 𝐶: concentration.