|
| Element | Limit of detection (µg/g) |
| Major elements | Al | 2.0 |
| Si | 1.0 | |
| P | 0.3 | |
| K | 0.9 | |
| Ca | 0.8 | |
| Fe | 2.0 | |
| Trace elements | Ti | 0.3 |
| V | 0.2 | |
| Mn | 0.2 | |
| Zn | 0.5 | |
| Ga | 0.4 | |
| Rb | 0.2 | |
| Sr | 0.2 | |
| Y | 0.2 | |
| Zr | 0.2 | |
| Nb | 0.2 | |
| Mo | 0.2 | |
| Sn | 0.3 | |
| La | 1.5 | |
| Hf | 1.0 | |
| Ta | 0.8 | |
| Th | 0.3 | |
| U | 0.3 |