Summary of the Extracted Metals for Four Different Extraction Media
| Extraction Medium | Compound | Estimated Concentration (μg/L) | ||||
|---|---|---|---|---|---|---|
| A | B | C | D | E | ||
| 80% Ethanol | Boron1 | 56 | 22 | ND | 200 | ND |
| Silicon1 | 150 | 490 | 350 | 9600 | 180 | |
| Vanadium1 | ND | 28 | ND | <10 | ND | |
| Zinc1 | ND | <10 | 10 | ND | 10 | |
| 1M NaOH | Aluminum1 | ND | 320 | ND | ND | ND |
| 1M HCl | Arsenic1 | <10 | ND | <10 | <10 | ND |
| Copper1 | ND | ND | ND | ND | <10 | |
| Magnesium1 | ND | <10 | ND | ND | ND | |
| Zinc1 | ND | ND | ND | ND | <10 | |
| 1% polysorbate 80 | Chromium1 | <10 | ND | ND | ND | ND |
| Iron1 | 57 | ND | ND | ND | ND | |
↵1 Identified and quantitated by ICP-MS.