| Sum | 99.54 | 99.55 | 99.60 | 99.58 | 99.56 | 99.57 |
| Trace elements (ppm) |
| |||||
| Ba | 17 | 24 | 8 | 38 | 16 | 19 |
| Co | 79 | 72 | 65 | 88 | 86 | 65 |
| Cr | 1772 | 3290 | 2551 | 2633 | 2189 | 2483 |
| Cu | 3 | 19 | 17 | 70 | 11 | 35 |
| Ni | 1568 | 1328 | 1097 | 833 | 1532 | 1117 |
| Pb | 0.7 | 0.2 | 2 | 0.5 | 0.4 | 0.5 |
| Rb | 10 | 0.3 | 2 | 0.8 | 0.7 | 2 |
| Sr | 8 | 10 | 5 | 35 | 6 | 7 |
| V | 33 | 39 | 60 | 65 | 45 | 44 |
| Zn | 6 | 17 | 9 | 19 | 12 | 34 |