Current target values


N151 (Major Ions)

Dispatch date: 09 March 2020
Parameter Sample N151A Uncertainty Sample N151B Uncertainty Unit
Electr. conductivity (25 °C) 416 1 529 2 µS/cm
Total hardness 1.40 0.01 1.85 0.02 mmol/L
Alkalinity KS 4.3 (as H+) 2.30 0.02 1.07 0.01 mmol/L
Hydrogen carbonate 137 1 62.5 0.4 mg/L
Calcium 40.1 0.5 49.0 0.5 mg/L
Magnesium 9.81 0.06 15.2 0.2 mg/L
Sodium 27.3 0.3 22.8 0.1 mg/L
Potassium 3.66 0.03 4.40 0.04 mg/L
Nitrate (as NO3) 26.2 0.1 56.6 0.3 mg/L
Nitrite (as NO2) 0.081 0.001 0.055 0.002 mg/L
Ammonium (as NH4) <0.01 - 0.081 0.005 mg/L
Chloride 30.5 0.5 75.4 1.0 mg/L
Sulphate (as SO4) 24.6 0.2 33.4 0.2 mg/L
Orthophosphate (as PO4) 0.166 0.002 <0.009 - mg/L
Boron 0.141 0.001 0.071 0.001 mg/L
DOC (as C) 1.54 0.04 3.56 0.05 mg/L
Total phosphate (as PO4) 0.166 0.002 0.046 0.002 mg/L
Silicon 6.63 0.15 1.33 0.03 mg/L
Fluoride 0.502 0.004 0.201 0.001 mg/L
1st Issue: 07 April 2020