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Assessment of Potentially Toxic Elements in Egbetua Stream Sediments, South-Western Nigeria

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  • S. O. Obaje

    (Adekunle Ajasin University Akungba-Akoko, Nigeria)

Abstract

The study area is located in Egbetua area in Akoko Edo Local Government Area of Edo State, southwestern Nigeria. the aim of the study is to assess the concentrations of potentially toxic elements in sediments from the study area. Ten samples collected from various locations in Egbetua stream were subjected to standard geochemical analysis using energy dispersive x-ray fluorescence spectrometer model “Minipal 4”. The average concentrations of six elements are V (26.89 ppm), Cr (32.33 ppm), Co (6.13 ppm), Ni (16.10 ppm), Au (21.13 ppm), and Zr (1,285.20 ppm) and they were compared to those of upper continental crust baseline values. V, Cr, Co, and Ni have extremely low concentrations, while Au and Zr have very high concentrations. Moreover, V, Cr, Co, and Ni have average enrichment ratios of 0.28, 0.35, 0.35 and 0.34, respectively, which are

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Handle: RePEc:epw:ejgeo0:v:2:y:2021:i:6:id:16225
DOI: 10.24018/ejgeo.2021.2.6.225
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