Water Quality Parameters

 

	Physical Parameters	Methods
1.	Temperature (°C)	Thermometer
2.	pH	Electrode
3.	Conductivity µS/cm	Conductivity meter
4.	Turbidity (NTU)	Nephelometric
	Chemical Parameters	Methods
1.	Ammonia Nitrogen (mg/l)	Ion Selective Electrode Method
2.	Nitrate mg/L	Ion Selective Electrode Method
3.	Dissolved Oxygen mg/L	Azide Modification Method
4.	BOD mg/L	Azide Modification Method
5.	COD mg/L	Dichromate Open Reflux Method
6.	Alkalinity mg/L	Titrimetric Method
7.	Chloride mg/L	Titrimetric Method
8.	Sodium mg/L	Flamephotometer
9.	Calcium CaCO3 mg/L	Titrimetric Method
10.	Magnesium as CaCO3 mg/L	By EDTA Calculation Method
11.	Total Kjeldahl-N mg/L	Digestion followed by Titrimetric Method
12.	Hardness as CaCO3 mg/L	EDTA Titrimetric Method
13.	Boron mg/L	Curcumin Method
14.	Total Dissolved Solids mg/L	Filtration, Evaporation & Gravimetric Method
15.	Total Phosphate mg/L	Stannous Chloride Method
16.	Total Suspended Solids mg/L	Filtration Unit
17.	Potassium mg/L	Flamephotometer
18.	Flouride mg/L	Ion Selective Electrode Method
	Bacteriological Parameters	Methods
1.	Total Coliform (MPN/100m)	Multiple Tube Fermentation Method
2.	Feacal Coliform (MPN/100ml)	Multiple Tube Fermentation Method
3.	E. Coli (MPN/100ml)	Multiple Tube Fermentation Method
4.	Total Plate Count CFU/ml	Membrane Filter Method/Spread Plate Method
	Trace Metals	Methods
1.	Cadmium µg/L	Atomic Absorption Spectrophotometry
2.	Chromium µg/L	Atomic Absorption Spectrophotometry
3.	Copper µg/L	Atomic Absorption Spectrophotometry
4.	Lead µg/L	Atomic Absorption Spectrophotometry
5.	Nickel µg/L	Atomic Absorption Spectrophotometry
6.	Zinc µg/L	Atomic Absorption Spectrophotometry
7.	Arsenic µg/L	Atomic Absorption Spectrophotometry
8.	Iron µg/L	Atomic Absorption Spectrophotometry/Phenatroline Method
9.	Manganeseµg/L	Atomic Absorption Spectrophotometry