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Table 3 Mean concentration of ETEs in highland barley samples (mg/kg)

From: Dietary and drinking water intake of essential trace elements in a typical Kashin-Beck disease endemic area of Tibet, China

Survey locations Cu Fe Mn Mo Se Zn
Baida Township (n = 2) 3.879 ± 0.266 37.830 ± 3.564 13.195 ± 0.233 0.509 ± 0.001 0.005 ± 0.002 21.205 ± 2.355
Dalong Township (n = 3) 4.251 ± 1.081 51.100 ± 16.190 13.487 ± 0.337 0.728 ± 0.352 0.002 ± 0.002 27.127 ± 1.947
Exi Township (n = 8) 3.896 ± 0.732 52.531 ± 13.235 13.752 ± 0.687 0.217 ± 0.134 0.002 ± 0.001 22.913 ± 2.895
Kangsha Township (n = 9) 4.166 ± 0.649 76.837 ± 25.168 13.548 ± 1.358 0.615 ± 0.371 0.003 ± 0.001 25.862 ± 3.973
Najiu Township (n = 15) 3.424 ± 0.542 84.864 ± 25.234 14.099 ± 1.659 0.404 ± 0.212 0.002 ± 0.001 23.741 ± 2.950
Mali Township (n = 6) 4.443 ± 0.835 58.553 ± 34.904 13.988 ± 1.826 0.729 ± 0.244 0.010 ± 0.004 22.345 ± 5.951
Shuodu Township (n = 15) 3.129 ± 0.510 139.636 ± 70.124 14.966 ± 1.003 0.228 ± 0.109 0.002 ± 0.001 24.630 ± 1.937
Xinrong Township (n = 3) 3.658 ± 0.480 107.737 ± 47.750 13.563 ± 0.388 0.566 ± 0.255 0.009 ± 0.011 23.823 ± 1.839
Yuxi Township (n = 2) 4.735 ± 0.761 60.480 ± 2.560 14.440 ± 2.843 0.661 ± 0.082 0.021 ± 0.011 27.825 ± 8.365
Zhongyi Township (n = 4) 3.223 ± 0.503 97.742 ± 33.756 13.497 ± 1.957 0.353 ± 0.066 0.003 ± 0.001 23.605 ± 3.362
Zituo Township (n = 18) 3.223 ± 0.454 79.218 ± 42.378 13.644 ± 1.301 0.229 ± 0.120 0.001 ± 0.001 21.831 ± 1.210
Luolong County (n = 85) 3.550 ± 0.677 81.170 ± 38.143 14.030 ± 1.419 0.350 ± 0.198 0.003 ± 0.006 23.580 ± 3.103
GB 2762–2017/GB 2715–2016 10 50 0.3 50