Table 1:

Macro and microelements composition in hair (P<0.05)

Chemical elements	Composition in hair Norma (mkg/g)	Mean	Std. Deviation
Ca	300–700	335.3087	100.39855
Zn	120–200	126.6663	40.43051
K	70–170	116.5987	190.25130
Fe	15–35	18.8708	6.14159
Cu	9.0–30	10.9721	4.59782
Se	0.3–1.2	0.3379	0.19091
Mn	0.5–2.0	0.7615	0.40183
Cr	0.5–5.0	2.6608	1.96059
S	21000–49000	23826.4485	8834.58857
Br	2.0–12	3.8787	3.39996
Cl	60–560	371.7560	312.98137
Co	0.0–2.0	0.4173	0.35662
Ag	0.0–2.0	0.1848	0.28024
V	0.0–1.0	0.1037	0.14711
Ni	0.0–3.5	0.7123	0.59328
Rb	0.0–2.0	0.8967	0.77395
Mo	0.0–3.0	0.1333	0.11858
Sr	0.0–3.0	1.2479	0.89155
Ti	0.0–4.4	0.8629	1.20430