How to Determine Chlorides in Water Sample

Chlorides in Water

One of the most common inorganic anion in water and waste water is chloride (CL- ion). The salty taste produced by chloride concentrations in potable water varies depending on the chemical composition of the water. If the cation is sodium, some waters containing 250 CI- mg/I may have a detectable salty taste. When calcium and … Read more

Determination of Biochemical Oxygen Demand

determination of biochemical oxygen demand

What is Biochemical oxygen demand (BOD) ? Biochemical oxygen demand is used as a measure of the quantity of oxygen required for oxidation of Biodegradable organic matter present in water samples by aerobic biological action. The oxygen demand of wastewater is exerted by three classes of materials. 1. Carboneous organic materials are used as a … Read more