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Abstract
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Article Information:
Determination of Trace Elements in the Sakumo Wetland Sediments
Laar Cynthia, J.R. Fianko, T.T. Akiti, J. Osei, A.K. Brimah, S. Osae and E.K. Bam
Corresponding Author: Laar Cynthia
Submitted: 2011 February, 22
Accepted: 2011 April, 07
Published: 2011 June, 05 |
Abstract:
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The objective of this research was to determine the current pollution status of the Sakumo wetland
with the aim of identifying factors affecting the long-term integrity of the wetland ecosystem. Sediment samples
from the Sakumo wetland were analysed for Cd, Co, Cr, Cu, Fe, Ni, Mn and Zn using Instrumental Neutron
Activation Analysis (INAA) coupled with the conventional counting system. The sediment materials exhibited
higher concentrations of trace elements Cd (maximum; 0.041 mg/kg), Co (maximum; 0.64 mg/kg), Cr
(maximum; 30.73 mg/kg), Cu (maximum; 22.89 mg/kg), Ni (maximum; 11.69 mg/kg) and Zn (maximum; 6.52
mg/kg). In some of the lagoon sediments compared with their levels in world average soils, the average
concentrations of the trace elements in general are below or within levels in world average soils/uncontaminated
soils. Concentrations of Ni showed positive correlation with Cr whilst Co correlated positively with Cr and Zn.
However, lack of correlation between Fe and Cd, suggests that the influence of these parameters on the
distribution of trace metals is not important.
Key words: Analysis, contamination, heavy metals, pearson correlation, sediment, spectrophotometry,
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Cite this Reference:
Laar Cynthia, J.R. Fianko, T.T. Akiti, J. Osei, A.K. Brimah, S. Osae and E.K. Bam, . Determination of Trace Elements in the Sakumo Wetland Sediments. Research Journal of Environmental and Earth Sciences, (4): 417-421.
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ISSN (Online): 2041-0492
ISSN (Print): 2041-0484 |
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