Water sample were taken from various villages of North Gujarat & their qualitative analysis was carried out by various laboratory methods in which pH, Electrical Conductivity (EC), Total Alkalinity, Total Dissolved Solids (TDS), Total Hardness, Amount of Calcium & Magnesium,Chemical Oxygen Demand (COD) etc. were determined. Instruments/ Methods used for such analysis were Visual inspection method, Smelling judgement, Thermometer, pH meter, Conductivity Meter, Titrimetric Method, TDS Meter, EDTA Titration, Argentometric Titration, Modified Winkler Method, Jackson method and many more.

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