Parameters | Technique | Site | Apparatus | Units |
Temperature | Direct | In situ | Thermometer | ˚C |
pH | Direct | In situ | pH-meter | C.U |
Total Dissolved solids (TDS) | Direct | In situ | Spectrophotometer | mg·L1 |
Electrical conductivity | Direct | In situ | Conductimeter | μS·cm−1 |
Dissolved O2 | Volumetry by Na2S2O3 | Laboratory | Titrimetry | % saturation |
Total Suspended Solids (TSS) | Colorimetry (810 nm) | Laboratory | Spectrophotometer | mg·L−1 |
Color | Colorimetry (455 nm) | Laboratory | Spectrophotometer | Pt.Co |
Dissolved CO2 | Volumetry by HCl | Laboratory | Titrimetry | mg·L−1 |
Turbidity | Direct | Laboratory | Spectrophotometer | FTU |
(Orthophosphate) | Colorimetry (880 nm) | Laboratory | Spectrophotometer | mg·L−1 |
(Nitrates) | Colorimetry (570 nm) | Laboratory | Spectrophotometer | mg·L−1 |