Table 1.
Physicochemical characterization of sediments from the Santiago River.
| Parameter | Units | Value |
|---|---|---|
| Temperature 1 | °C | 16 |
| pH 1 | - | 6.88 |
| Electric conductivity 1 | μS/cm | 8305 |
| ORP 1 | mV | −190 |
| Dissolved oxygen | mg/L | 0.9 |
| TDS 1 | g/L | 4.87 |
| Salinity 1 | ppt | 4.1 |
| Total nitrogen | mg/L | 800 ± 16 |
| Total COD | mg/L | 34,200 ± 46 |
| Soluble COD | mg/L | 237 ± 5 |
| TOC | mg/L | 800 ± 21 |
| TS | g/L | 76.83 ± 0.08 |
| VS | g/L | 58.88 ± 0.1 |
| Cd | mg/kg | 0.198 ± 0.05 |
| Co | mg/kg | 12.033 ± 1.49 |
| Fe | mg/kg | 19,761.7 ± 1839.1 |
| Mg | mg/kg | 0.03 ± 0.006 |
| Cr | mg/kg | 104.68 ± 8.13 |
| As | mg/kg | 960 ± 55.717 |
1 Determined in situ.