Physicochemical characteristics of the samples obtained in the Chipoco River
| Samples | Southern sector of the Chipoco River (M-1) |
Central sector of the Chipoco River (M-2) |
Northern sector of the Chipoco River (M-3) |
|---|---|---|---|
| Coordenates | 20°98´57´´ | 20°98´10´´ | 21°00´37´´ |
| 98°72´12´´ | 98°72´29´´ | 98°73´84´´ | |
| Altitude (m) | 1,100 | 1,000 | 1,069 |
| pH | 8.2 | 8.2 | 7.9 |
| Temperature (°C) | 22.1 | 22.1 | 24.5 |
| Alcalinity | 120 | 120 | 240 |
| Hardness (ppm) | 500 | 500 | 500 |
| Electrical conductivity ( |
535 | 530 | 130 |
| Total dissolved solids (ppm) | 197 | 187 | 230 |
| CO2 (ppm) | 8.2 | 8.2 | 8.0 |
| Chlorine (ppm) | ND | ND | ND |
| Na2O (%) | ND | ND | ND |
| MgO (%) | 42.9 | 39.85 | 23.6 |
| CaO (%) | |||
| K2O (%) | 0.126 | 0.23 | 6.58 |
| Al2O3 (%) | 0.65 | 0.45 | 0.98 |
| SiO2 (%) | 24.2 | 22.4 | 9.92 |
| 20.6 | 19.94 | 21.7 | |
| SO3 (%) | 25.75 | 42.74 | 50 |
| NO3 (%) | ND | ND | ND |
| NH4 (%) | ND | ND | ND |
| P2O5 (%) | 12.5 | 9.3 | 8.39 |
| Fe2O3 (%) | 15.64 | 11.54 | 0.087 |
| Si (ppm) | 16 | 16.9 | 17.1 |
| Na (ppm) | ND | ND | ND |
| Al (ppm) | 642 | 763 | 765 |
| Mg (ppm) | 210 | 235 | 340 |
| Ca (ppm) | 257 | 259 | 359 |
| K (ppm) | 0.20 | 0.25 | 0.33 |
| Cl (ppm) | 68.8 | 70.2 | 32.2 |
| S (ppm) | 1,190 | 1,105 | 1,121 |
| Cu (ppm) | 3.77 | 2.10 | 0.078 |
| Sn (ppm) | 12.2 | 6.5 | 0.067 |
ND: not detected.