Table T1. Trace element concentrations, United States Geologic Survey standard BHVO-2. (See table notes.)
| Element | REF (ppm) |
Mean (ppm) |
RSD (%) |
Difference (%) |
|---|---|---|---|---|
| Li | 4.33 | 4.30 | 2.0 | –0.6 |
| Be | 1.03 | 1.00 | 4.6 | –3.0 |
| Sc | 32.2 | 32.5 | 3.4 | 0.9 |
| Ti | 16,366 | 16,589 | 2.5 | 1.4 |
| V | 324 | 323 | 1.9 | –0.2 |
| Cr | 310 | 311 | 1.7 | 0.3 |
| Co | 46.5 | 46.5 | 1.4 | –0.1 |
| Ni | 120 | 120 | 1.5 | 0.0 |
| Cu | 124 | 124 | 1.6 | 0.5 |
| Zn | 106 | 105 | 1.8 | –0.5 |
| Ga | 22.6 | 22.8 | 1.6 | 0.9 |
| Rb | 9.27 | 9.29 | 2.7 | 0.3 |
| Sr | 395 | 395 | 2.9 | –0.1 |
| Y | 25.5 | 25.5 | 1.4 | –0.3 |
| Zr | 172 | 172 | 1.5 | 0.0 |
| Nb | 18.0 | 18.0 | 2.2 | 0.1 |
| Ba | 133 | 135 | 1.6 | 1.3 |
| La | 15.2 | 15.4 | 1.7 | 1.3 |
| Ce | 37.4 | 37.7 | 1.3 | 0.8 |
| Pr | 5.35 | 5.40 | 1.3 | 0.8 |
| Nd | 24.4 | 24.5 | 1.7 | 0.3 |
| Sm | 6.10 | 6.14 | 1.3 | 0.6 |
| Eu | 2.04 | 2.05 | 1.3 | 0.2 |
| Gd | 6.16 | 6.19 | 2.1 | 0.5 |
| Tb | 0.91 | 0.92 | 1.7 | 0.2 |
| Dy | 5.29 | 5.35 | 1.9 | 1.3 |
| Ho | 0.98 | 0.98 | 1.4 | –0.1 |
| Er | 2.47 | 2.49 | 1.6 | 0.9 |
| Yb | 2.02 | 2.02 | 1.9 | 0.1 |
| Lu | 0.28 | 0.28 | 1.3 | 0.1 |
| Hf | 4.34 | 4.34 | 1.5 | –0.2 |
| Ta | 1.13 | 1.13 | 1.8 | –0.3 |
| Pb | 1.54 | 1.56 | 8.7 | 1.4 |
| Th | 1.19 | 1.19 | 2.8 | 0.4 |
| U | 0.41 | 0.41 | 2.5 | –0.5 |
Notes: REF = GeoReM preferred values taken from georem.mpch-mainz.gwdg.de/. For mean, N = 57. RSD = relative standard deviation.
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