Element | Mean ± SD (μg/L) | p-value# | |
---|---|---|---|
Mixed diluent | Acid digestion | ||
Mga | 21.693 ± 0.183 | 21.286 ± 0.457 | 0.226 |
Al | 36.913 ± 2.055 | 42.362 ± 5.543 | 0.186 |
V | 0.234 ± 0.011 | 0.232 ± 0.013 | 0.841 |
Cr | 0.753 ± 0.032 | 0.855 ± 0.075 | 0.097 |
Mn | 2.336 ± 0.104 | 2.561 ± 0.198 | 0.155 |
Fea | 1.168 ± 0.019 | 1.141 ± 0.019 | 0.159 |
Co | 0.162 ± 0.001 | 0.163 ± 0.005 | 0.748 |
Ni | 1.771 ± 0.177 | 1.956 ± 0.252 | 0.359 |
Cua | 1.101 ± 0.013 | 1.097 ± 0.029 | 0.839 |
Zna | 0.892 ± 0.011 | 0.921 ± 0.055 | 0.462 |
As | 0.590 ± 0.040 | 0.556 ± 0.056 | 0.437 |
Se | 68.570 ± 0.412 | 67.516 ± 0.572 | 0.061 |
Rba | 0.139 ± 0.001 | 0.138 ± 0.004 | 0.600 |
Sr | 75.219 ± 0.900 | 74.664 ± 2.185 | 0.705 |
Mo | 1.570 ± 0.031 | 1.533 ± 0.042 | 0.295 |
Cd | 0.033 ± 0.002 | 0.039 ± 0.005 | 0.122 |
Sn | 0.631 ± 0.029 | 0.661 ± 0.037 | 0.341 |
Sb | 3.170 ± 0.046 | 3.166 ± 0.073 | 0.934 |
Ba | 21.885 ± 0.096 | 21.760 ± 0.763 | 0.805 |
W | 0.029 ± 0.001 | 0.031 ± 0.004 | 0.396 |
Tl | 0.026 ± 0.001 | 0.025 ± 0.002 | 0.474 |
Pb | 0.366 ± 0.039 | 0.478 ± 0.062 | 0.057 |
U | 0.009 ± 0.001 | 0.010 ± 0.002 | 0.446 |