Table 2.

Validation of the analytical method used in this study: linearity (the ability of the method to obtain test results proportional to the concentration of the analyte), detection limits and recoveries for the studied elements

Element	Linearity Correlation coefficient r	Limit of detection, LOD (μg L−1)	Recovery (%)
Al	0.9997	0.021	101
As	0.9995	0.011	99
Ca	0.9985	0.002	105
Cd	0.9999	0.001	97
Cr	0.9997	0.003	97
Cu	0.9999	0.002	103
Fe	0.9998	0.021	96
Hg	0.9996	0.058	97
Mg	0.9953	0.005	104
Mn	0.9998	0.002	96
Mo	0.9996	0.022	98
Ni	0.9999	0.001	97
Pb	0.9999	0.010	98
Sc	0.9997	0.002	99
Se	0.9995	0.012	97
Sr	0.9998	0.003	98
V	0.9999	0.003	97
Zn	0.9998	0.010	102