Seasonal Variation and Determination of Some Heavy Metals in the Sediment from Ureje River in Ado-Ekiti, Nigeria

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dc.contributor.authorOkoro, HK
dc.contributor.authorIkumapayi, AO
dc.contributor.authorFolorunso, IO
dc.date.accessioned2023-01-04T12:22:07Z
dc.date.available2023-01-04T12:22:07Z
dc.date.issued2015
dc.description.abstractThis study investigated the level of contamination of four heavy metals (chromium, cadmium, nickel, lead) in the sediment collected from Ureje River, Ado Ekiti, Nigeria and compared their seasonal variation (Wet and Dry seasons). The sediments were collected, digested and analyzed using Atomic Absorption Spectrophotometer (AAS). Two of the metals namely cadmium and nickel were not detected. During the dry season, it was observed that the mean concentrations for chromium were 0.36±0.08 mg/kg, 0.33±0.08 mg/kg and 0.30±0.04 mg/kg for Sites 1, 2 and 3 respectively. The mean concentration for lead during dry season at Site 1 was 0.33±0.23 mg/kg while those of Sites 2 and 3 were 0.35±0.10 mg/kg and 0.34±0.04 mg/kg respectively. During the wet season, chromium levels were 0.23±0.06 mg/kg, 0.25±0.06 mg/kg and 0.21±0.03 mg/kg for Sites 1, 2 and 3 respectively. For lead, the values recorded for Sites 1, 2 and 3 were 0.22±0.11 mg/kg, 0.30±0.10 mg/kg and 0.26±0.03 mg/kg respectively. Comparing the two seasons, the concentration of chromium was observed to be lower than that of lead in the dry season while the reverse was the case during the wet season. Although the concentration of the metals is unlikely to pose any risk, the presence of chromium and lead in the area calls for proper monitoring to safeguard the health of human and aquatic lives around the area.en_US
dc.description.sponsorshipSelfen_US
dc.identifier.urihttps://alhikmah.edu.ng/ajpas/index.php/ajpas/article/view/14
dc.identifier.urihttps://uilspace.unilorin.edu.ng/handle/20.500.12484/8118
dc.language.isoenen_US
dc.publisherCollege of Natural Sciences, Al-Hikma Universityen_US
dc.relation.ispartofseries2;1
dc.subjectHeavy metals, sediments, Ureje River, AAS, contaminant.en_US
dc.subjectResearch Subject Categories::NATURAL SCIENCESen_US
dc.titleSeasonal Variation and Determination of Some Heavy Metals in the Sediment from Ureje River in Ado-Ekiti, Nigeriaen_US
dc.typeArticleen_US

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