Current target values


N143 (Major Ions)

Dispatch date: 3rd September 2018
Parameter Sample N143A Uncertainty Sample N143B Uncertainty Unit
Electr. conductivity (25 °C) 506 2 236 1 µS/cm
Total hardness 11.3 0.1 4.57 0.05 °d
Alkalinity KS 4.3 (as H+) 2.64 0.05 0.945 0.009 mmol/L
Hydrogen carbonate 158 3 54.6 0.5 mg/L
Calcium 54.6 1.0 21.4 0.3 mg/L
Magnesium 15.7 0.2 6.80 0.08 mg/L
Sodium 22.5 0.6 10.6 0.1 mg/L
Potassium 4.39 0.03 3.19 0.02 mg/L
Nitrate (as NO3) 51.9 0.9 18.8 0.7 mg/L
Nitrite (as NO2) 0.043 0.001 0.014 0.001 mg/L
Ammonium (as NH4) <0.01 - 0.041 0.003 mg/L
Chloride 13.9 0.1 25.2 0.5 mg/L
Sulphate (as SO4) 60.3 0.7 9.73 0.12 mg/L
Orthophosphate (as PO4) 0.048 0.001 <0.009 - mg/L
Boron 0.030 0.001 0.079 0.001 mg/L
DOC (as C) 3.35 0.05 5.47 0.05 mg/L
Total phosphate (as PO4) 0.082 0.001 <0.009 - mg/L
Cyanide 0.0181 0.0016 0.041 0.002 mg/L
1st Issue: 1st October 2018