Table-3.

Content of chemical elements in milk of cows from Groups I and II, μg/g.

Element	Group I	Group II
Al	0.09 (0.07–0.12)	0.097 (0.07–0.11)
As	0.001 (0.0008–0.002)	0.001 (0.0008–0.002)
B	0.19 (0.18–0.21)	0.184 (0.16–0.2)
Ca	1053 (1000–1120)	982.5 (896–1114)
Co	0.002 (0.0018–0.0022)	0.0021 (0.0018–0.0024)
Hg	0.00018 (0.00016–0.00048)	0.00018 (0.00016–0.00047)
I	0.0057 (0.0044–0.009)	0.0052 (0.0043–0.0087)
K	1576 (1522–1686)	1640 (1533–1701)
Li	0.03 (0.02–0.04)	0.034 (0.02–0.044)
Mg	113.5 (99.3–120.5)	111 (96.7–118.2)
Na	460.5 (419.7–510.5)	478 (431–524.3)
Ni	0.04 (0.03–0.05)	0.04 (0.03–0.06)
P	1080 (1006–1110)	1124 (1020–1173)
Se	0.027 (0.025–0.031)	0.026 (0.025–0.03)
Si	1.93 (1.82–2.26)	1.89 (1.81–2.2)
Sn	0.00068 (0.00011–0.0037)	0.00068 (0.00011–0.0036)
Sr	0.86 (0.7–1.01)	0.88 (0.71–1.01)
V	0.0096 (0.0082–0.01)	0.0096 (0.0081–0.01)
Cu	0.028 (0.025–0.0315)	0.0285 (0.0265–0.0335)