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Table 2

Summary of parameters analysed in this study

ParameterUnitEquipment usedReference
EC μs/cm HACH HQ40d and calibration standard/s  
pH [H]+ HACH HQ40d and calibration standard/s  
DO mg/L HACH HQ40d  
Temperature °C HACH HQ40d  
Turbidity NTU HACH 2100P Turbidimeter, sample cells, calibration standards  
TSS, Total dissolved solids (TDS), TS mg/L Filter, Filter papers, steam bath, weighing machine, desiccator APHA (2012)  
Nitrite N (NO2−-N) μg/L Gallery Automated Photometric Analyser-Discrete Analyser, Filter, Reagents – 
Ammonium N (NH4-N) μg/L Gallery Automated Photometric Analyser-Discrete Analyser, Filter, Reagents – 
Nitrogen oxides (NOx-N) μg/L Gallery Automated Photometric Analyser-Discrete Analyser, Filter, Reagents – 
Phosphates (PO4μg/L Gallery Automated Photometric Analyser-Discrete Analyser, Filter, Reagents – 
Total phosphorus μg/L ICP machine, filter, standard solution, digester – 
DOC, TN mg/L Filter, Shimadzu TOC-L Total Organic Carbon Analyser with TN analyser addition – 
BOD mg/L BOD bottles, autoclave, incubator, aerator, mixer, HACH HQ 40d APHA (2012)  
ParameterUnitEquipment usedReference
EC μs/cm HACH HQ40d and calibration standard/s  
pH [H]+ HACH HQ40d and calibration standard/s  
DO mg/L HACH HQ40d  
Temperature °C HACH HQ40d  
Turbidity NTU HACH 2100P Turbidimeter, sample cells, calibration standards  
TSS, Total dissolved solids (TDS), TS mg/L Filter, Filter papers, steam bath, weighing machine, desiccator APHA (2012)  
Nitrite N (NO2−-N) μg/L Gallery Automated Photometric Analyser-Discrete Analyser, Filter, Reagents – 
Ammonium N (NH4-N) μg/L Gallery Automated Photometric Analyser-Discrete Analyser, Filter, Reagents – 
Nitrogen oxides (NOx-N) μg/L Gallery Automated Photometric Analyser-Discrete Analyser, Filter, Reagents – 
Phosphates (PO4μg/L Gallery Automated Photometric Analyser-Discrete Analyser, Filter, Reagents – 
Total phosphorus μg/L ICP machine, filter, standard solution, digester – 
DOC, TN mg/L Filter, Shimadzu TOC-L Total Organic Carbon Analyser with TN analyser addition – 
BOD mg/L BOD bottles, autoclave, incubator, aerator, mixer, HACH HQ 40d APHA (2012)  
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