Term: Chlorides


Domestic wastewater is a rich source of chlorides, because human excreta, mainly urine, is rich in chloride. It does not present a major pollution threat. But, Chloride ion concentration is an important factor to be considered if treated effluent is used for irrigation. High chloride concentration disturbs the osmotic balance between the plants and the soil, which affects the growth of the plants. The level of chlorides in wastewater sample is determined by the titration of the sample with mercuric nitrate in the presence of an indicator.