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The hardness of well water in Enugu metropolis (Asata, Coal Camp and New Haven) was determined using complexometric titration with EDTA (Ethylene Diaminetetracetic Acid) which is the most widely used complexing agent for the analysis of water hardness. During titration, indicator such as Erichrome Black-T was used which acts a triprotic acid. The following result were revealed after the analysis. The average amount of calcium and magnesium are as follows respectively. In Asata, it was 2.48mg/L for calcium and magnesium was 0.592mg/L = 3.072mg/L. Coal camp for calcium was 2.68mg/L and magnesium 2.68mg/L = 5.36mg/L whereas in New Haven, calcium was 2.48mg/L and magnesium 0.46mg/L = 2.94mg/L.
With the results of the analysis shown, it was found that coal camp has high well water hardness because of its high degree of soil texture and soil pH. It can be vividly conclude that calcium and magnesium concentration in the water samples from these areas under study are above the standards set by World Health Organization and Water Quality Association. These increase result to soap solution forming a white precipitate instead of producing lathers when washing, this is because the 2+ ions destroy the surfactant properties of the soap. Continuous consumption of these hard waters may increase the rate of cardiovascular disease and mortality among people due to the high presence of calcium and Magnesium.
1.1 Introduction
In this section, Determination of Hardness of Well Water Supply is discussed, with relevant and recent citations. As a prelude to other parts of this study, this chapter will discuss the background upon which this study was initiated, the statement of problems that led to this study, the aim and objectives of the study. Others are significance of the study, scope of work, research hypothesis and questions, limitation of the study and definition of terms.
This chapter focuses on the review of related literature. A literature review presents current knowledge, as well as theoretical and methodological contributions, related to Determination of Hardness of Well Water Supply. It documents the state of the art on the subject under study and provides a comprehensive survey of existing literature. In this research work the literature review includes the conceputal review, theoretical framework, the review of related literature …
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