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| Total copper speciation | ||
| Species | % of total copper | |
| FW | SW | |
| Cu+2 | 3.08 | 2.46 |
| Cu(OH)+ | 6.02 | 7.71 |
| Cu(OH)2 | 0.81 | 2.44 |
| Cu2(OH)2 2+ | 0.05 | 0.14 |
| CuCO3 | 0.41 | 3.17 |
| Organic fraction | 89.6 | 83.6 |
Most relevant copper forms are reported (expressed as % of total dissolved copper concentrations), repectively in FW and SW, as calculated by Visual MINTEQ using measured water chemistry parameteres of Experiment 1.
