Current target values


N137 (Major Ions)

Delivery date: 29.05.2017
Parameter Sample N137A Uncertainty Sample N137B Uncertainty Unit
Electr. conductivity (25 °C, calculated) 740 3 484 2 µS/cm
Total hardness 17.4 0.1 7.24 0.08 °d
Alkalinity KS 4.3 (as H+) 3.35 0.04 2.05 0.02 mmol/L
Hydrogen carbonate 202 2 122 1 mg/L
Calcium 82.2 0.9 37.6 0.5 mg/L
Magnesium 25.4 0.3 8.56 0.10 mg/L
Sodium 25.2 0.5 45.0 0.5 mg/L
Potassium 5.57 0.04 7.73 0.04 mg/L
Nitrate (as NO3) 74.7 1.2 5.57 0.08 mg/L
Nitrite (as NO2) 0.035 0.001 0.015 0.001 mg/L
Ammonium (as NH4) 0.066 0.001 <0.01 - mg/L
Chloride 55.9 0.6 30.2 0.6 mg/L
Sulphate (as SO4) 63.0 0.7 82.7 0.9 mg/L
Orthophosphate (as PO4) <0.009 - 0.050 0.001 mg/L
Boron 0.080 0.001 0.023 0.001 mg/L
DOC (calculated as C) 4.02 0.05 6.87 0.06 mg/L
Total phosphate (as PO4) 0.037 0.001 0.087 0.001 mg/L