Table 5. Linearity, LOD, LOQ, and recovery of heavy metals (Pb, Cd, and As)

Heavy metals	Linearity (R2)	LOD1) (mg/kg)	LOQ2) (mg/kg)	Recovery3) (%) (mean±RSD)
Pb	1.0000	0.09565	0.28986	85.7±1.2
Cd	1.0000	0.01770	0.05362	89.1±1.0
As	1.0000	0.02773	0.08402	102.0±1.2

Limit of detection.
Limit of quantification.
Values are mean±RSD (n=3).