Contribution to the Detection of Poor Quality Sildenafil Drugs in Burkina Faso Using High-Performance Thin-Layer Chromatography

Table 6

Equations of the overlap lines.

	Logarithmic model		Polynomial model
	Peak areas	Peak heights	Peak areas	Peak heights
Model equation	y = 1,356x − 0,0998	y = 1,033x + 0,0063	y = 0,9761x − 0,0028	y = 0,9183x + 0,0213
	R^2 = 0,9856	R^2 = 0,9985	R^2 = 0,9968	R^2 = 0,9836
	Equation (2)	Equation (3)	Equation (4)	Equation 5