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Proceedings of the International Academy of Ecology and Environmental Sciences, 2012, 2(2): 118-127
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Article

Chemical analysis of potable water samples from selected suburbs of Accra, Ghana

E.T. Gyamfi 1, M. Ackah1, A. K. Anim1, J. K. Hanson1, L. Kpattah1, S. Enti-Brown1, Y. Adjei-Kyereme2, E. S. Nyarko1
1Nuclear Chemistry and Environmental Research Center, National Nuclear Research Institute, Ghana Atomic Energy Commission P. O. Box LG 80, Legon-Accra, Ghana
2Nuclear and Radioactive Waste Management Centre, National Nuclear Research Institute, Ghana Atomic Energy Commission, Kwabenya, Accra, Ghana

Received 7 August 2011;Accepted 10 September 2011;Published online 5 June 2012
IAEES

Abstract
A study was carried out to assess the suitability of potable water used for domestic activities in twelve selected suburbs in Accra. Several water quality parameters such as temperature, pH, electrical conductivity (EC), total dissolved solids (TDS), salinity and redox potential (eh) were measured. The results of the physical parameters revealed the following: temperature range of 25.2oC - 26.2oC, pH range of 6.64-7.80, conductivity range of 187-725 us/cm, total dissolved solids, 90-352 mg/L, total suspended solids 0-4 mg/L, bicarbonate, 68.27-121.91 mg/L, chloride, 11.996-343.89 mg/L, Phosphate, BDL-0.128 mg/L and sulphate, 0.08-0.40 mg/L. Copper and Manganese recorded concentrations below the WHO limits of 2mg/L and 0.01mg/L respectively. Iron however recorded concentrations higher than WHO limits of 0.1mg/L. However, Cd, Pb, Cr and Co were below their respective detection limits.

Keywords potable water;Accra;trace metals.


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