Comparison of Toxic Metal Concentrations in Antidiabetic Herbal Preparations (ADHPs) Available in Bangladesh Using AAS and XRF Analytical Tools

Table 5

Experimental metal concentrations and statistical parameters for the linear regression model.

Toxic metal	Coordinates	Data point,	Intercept, c	Slope, m	R^2
Zn		11	−81.15	11.11	1.0
Cu		11	−22.25	3.48	0.9
Mn		11	80.35	−0.06	0.0