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CHARACTERISTICS OF WATER

Hardness

    Carbonate (Temporary) Hardness CaCO3

    Non Carbonate (Permanent) Hardness CaSO4

Concentration of Hydrogen-ion, which are expressed in pH units. It is theLog10H+

Specific Electrical Conductance

-  Increases with temperature: values must therefore be related to the same temperature (2%)

Colour

Alkanity: Ability to neutralize acid; due to the presence of OH-, HCO3-, CO32-,

Acidity: Water with pH 4.5 is said to have acidity; caused by the presence of free mineral acids and carbonic acids

Turbidity: Measure of transparency of water column; indirect method of measuring ability of suspended and colloidal materials to minimize penetration of light through water.

Dissolved gasses: O2, N2, CO2, H2S, CH4, NH3, etc.

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