Table T5. List of elements of interest and their detection limits as provided by the handheld X-ray fluorescence instrument manufacturer, Expedition 345.
| Analyzed element |
Filter position |
Detection limit (ppm) |
|---|---|---|
| Ba | High | 45 |
| Sr | Main | 3 |
| Zn | Main | 8 |
| Cu | Main | 15 |
| Ni | Main | 25 |
| Co | Main | 20 |
| Fe | Main | 30 |
| Mn | Main | 25 |
| Cr | Main/Light | 25 |
| V | Main/Light | 15 |
| Ti | Main/Light | 30 |
| Ca | Light | 40 |
| K | Light | 75 |
| Al | Light | 310 |
| Si | Light | 750 |
| Mg | Light | 13,000 |
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