Element | Obtained values | Gao et al. [11] | GEOREM [14] | |||||
Mean | sd | n | Mean | sd | n | Recom** | sd** | |
Li | 9.37 | 0.52 | 33 | 9.9 | 0.7 | 67 | 9 | 1 |
Be | 2.30 | 1.10 | 25 | 2 | 0.1 | 7 | 2.3 | 0.4 |
Mg | 21184 | 1806 | 43 | 20980 | 607 | 94 | 21470 | 1492 |
P | 1334 | 194 | 22 | n.d | 1615 | 44 | ||
Sc | 32.0 | 3.8 | 41 | 32 | 2 | 132 | 33 | 2 |
Ti | 13080 | 1182 | 43 | 13005 | 1081 | 124 | 14100 | 1000 |
V | 421 | 11 | 33 | 425 | 7 | 98 | 425 | 18 |
Cr | 17.0 | 1.3 | 39 | 17 | 2 | 91 | 17 | 2 |
Mn | 1482 | 34 | 40 | 1463 | 23 | 10 | 1550 | 70 |
Co | 37.2 | 1.8 | 39 | 38 | 1 | 118 | 38 | 2 |
Ni | 12.2 | 0.8 | 29 | 12.7 | 0.9 | 126 | 13 | 2 |
Cu | 17.1 | 1.1 | 35 | 18 | 1 | 78 | 21 | 5 |
Zn | 146 | 8 | 38 | 153 | 9 | 14 | 125 | 5 |
Ga | 22.7 | 1.1 | 38 | 24 | 1 | 71 | 23 | 1 |
Rb | 48.5 | 2.3 | 39 | 51 | 3 | 133 | 47 | 0.5 |
Sr | 326 | 12 | 39 | 321 | 6 | 122 | 342 | 4 |
Y | 31.6 | 5.5 | 38 | 31 | 2 | 138 | 35 | 3 |
Zr | 172 | 20 | 32 | 167 | 8 | 127 | 184 | 15 |
Nb | 11.1 | 0.8 | 42 | 10.9 | 0.6 | 133 | 12.5 | 1 |
Mo | 237 | 10 | 42 | n.d | 270 | 30 | ||
Sn | 2.67 | 0.46 | 36 | 2.4 | 0.4 | 14 | 2.6 | 0.4 |
Sb | 0.34 | 0.06 | 25 | 0.51 | 0.87 | 10 | 0.35 | 0.08 |
Cs | 1.18 | 0.07 | 34 | 1.17 | 0.08 | 71 | 1.16 | 0.07 |
Ba | 647 | 21 | 34 | 641 | 14 | 125 | 683 | 7 |
La | 25.1 | 1.4 | 42 | 25 | 1 | 144 | 24.7 | 0.3 |
Ce | 51.5 | 1.8 | 41 | 52 | 2 | 139 | 53.3 | 0.5 |
Pr | 6.37 | 0.36 | 41 | 6.3 | 0.4 | 140 | 6.7 | 0.4 |
Nd | 27.6 | 2.1 | 42 | 27 | 1 | 132 | 28.9 | 0.3 |
Sm | 6.31 | 0.57 | 38 | 6.3 | 0.5 | 115 | 6.59 | 0.07 |
Eu | 1.95 | 0.12 | 37 | 1.91 | 0.09 | 108 | 1.97 | 0.02 |
Gd | 6.32 | 0.81 | 32 | 6.5 | 0.6 | 112 | 6.71 | 0.07 |
Tb | 0.96 | 0.11 | 37 | 0.95 | 0.07 | 115 | 1.02 | 0.08 |
Dy | 5.92 | 0.73 | 37 | 6 | 0.4 | 106 | 6.44 | 0.06 |
Ho | 1.21 | 0.15 | 35 | 1.2 | 0.07 | 104 | 1.27 | 0.08 |
Er | 3.29 | 0.45 | 29 | 3.3 | 0.2 | 94 | 3.7 | 0.04 |
Tm | 0.47 | 0.07 | 33 | 0.46 | 0.04 | 111 | 0.51 | 0.04 |
Yb | 3.38 | 0.28 | 30 | 3.2 | 0.3 | 112 | 3.39 | 0.03 |
Lu | 0.48 | 0.06 | 35 | 0.47 | 0.04 | 109 | 0.503 | 0.005 |
Hf | 4.47 | 0.61 | 36 | 4.5 | 0.4 | 94 | 4.84 | 0.28 |
Ta | 0.62 | 0.08 | 36 | 0.63 | 0.06 | 97 | 0.78 | 0.06 |
Pb | 10.1 | 0.5 | 36 | 10.9 | 0.5 | 104 | 11 | 1 |
Th | 5.66 | 0.38 | 36 | 5.5 | 0.2 | 103 | 5.9 | 0.3 |
U | 1.69 | 0.09 | 35 | 1.7 | 0.08 | 120 | 1.69 | 0.12 |