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Amount of arsenic bound to different PCs and unbound arsenic in percentage of total elutable arsenic U1 and U2 stand for the two species for which no structure was ascribed.
| Sample Name | inorganic As | As-PC2 | As-PC2-GS | As-PC3 | U1 | U2 |
|---|---|---|---|---|---|---|
| H. lanatus 1 | 68.1 | - | 2.8 | 10.2 | 6.1 | - |
| H. lanatus 2 | 65.2 | - | 2.5 | 10.4 | 4.8 | - |
| P. cretica 1 | 99.9 | 0.02 | 0.06 | - | - | 0.01 |
| P. cretica 2 | 99.9 | 0.02 | 0.02 | - | - | 0.01 |
