Parameter | Sample N171A | Uncertainty | Sample N171B | Uncertainty | Unit |
Electr. conductivity (25 °C) | 688 | 3 | 382 | 1 | µS/cm |
Total hardness | 3.27 | 0.04 | 1.233 | 0.015 | mmol/L |
Alkalinity KS 4.3 (as H+) | 3.84 | 0.07 | 1.91 | 0.02 | mmol/L |
Hydrogen carbonate | 231 | 5 | 113.5 | 1.3 | mg/L |
Calcium | 84.6 | 1.5 | 39.1 | 0.6 | mg/L |
Magnesium | 28.3 | 0.5 | 6.25 | 0.13 | mg/L |
Sodium | 11.5 | 0.7 | 21.0 | 0.2 | mg/L |
Potassium | 3.79 | 0.04 | 9.10 | 0.05 | mg/L |
Nitrate (as NO3) | 68.6 | 2.0 | 43.3 | 0.8 | mg/L |
Nitrite (as NO2) | 0.03405 | 0.00013 | 0.0176 | 0.0009 | mg/L |
Ammonium (as NH4) | 0.0352 | 0.0063 | <0.01 | - | mg/L |
Chloride | 32.5 | 0.8 | 28.4 | 0.6 | mg/L |
Sulphate (as SO4) | 59.3 | 0.8 | 9.49 | 0.08 | mg/L |
Orthophosphate (as PO4) | <0.009 | - | 0.0541 | 0.0017 | mg/L |
Boron | 0.0653 | 0.0011 | 0.1160 | 0.0008 | mg/L |
DOC (as C) | 5.68 | 0.05 | 3.59 | 0.05 | mg/L |
Total phosphate (as PO4) | <0.009 | - | 0.124 | 0.002 | mg/L |
Silicon | 4.10 | 0.02 | 2.775 | 0.016 | mg/L |
Fluoride | 0.867 | 0.004 | 0.3521 | 0.0018 | mg/L |