Seasonal Assessment of Heavy Metals in Water at Effluents Discharge Points into the New Calabar River, Port Harcourt, Southern Nigeria

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Edori, O. S
Edori, O. S
2
Edori
Edori
3
O. S
O. S
4
Kpee
Kpee
1 Ignatius Ajuru University of Education

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Seasonal Assessment of Heavy Metals in Water at Effluents Discharge Points into the New Calabar River, Port Harcourt,  Southern Nigeria Banner
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Water samples were collected at three different effluents discharge points into the New Calabar River. The samples were digested using standard methods. The digests were subsequently examined for heavy metals concentrations using atomic absorption spectrophotometer (AAS). Heavy metals results in the samples showed Ni as the most concentrated metal with a mean value of 2.52±0.055, 1.42±0.01 and 1.275±0.045 mg/L at Iwofe, Jetty, Minipity and Police Post stations respectively, this was followed by the concentration values of Cr, which were 1.72±0.06, 2.17±0.02 and 1.355±0.015 mg/L at the Iwofe Jetty, Minipiti and Police Post sample stations respectively. The least concentrated metal observed in this study was Cd with amean range of 0.03-0.28 mg/L in the stations. This was followed by the values of Cu from the station which ranged between 0.035 -1.22 mg/L. The general order of the concentration of metals was Ni>Cr>Fe>Zn>Pb>Cu>Cd. All the metals examined in the water samples except Zn were higher than the WHO maximum standard for drinking water.

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Funding

No external funding was declared for this work.

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The authors declare no conflict of interest.

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Edori, O. S. 2018. \u201cSeasonal Assessment of Heavy Metals in Water at Effluents Discharge Points into the New Calabar River, Port Harcourt, Southern Nigeria\u201d. Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 18 (GJSFR Volume 18 Issue B2): .

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GJSFR Volume 18 Issue B2
Pg. 53- 58
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Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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May 4, 2018

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Water samples were collected at three different effluents discharge points into the New Calabar River. The samples were digested using standard methods. The digests were subsequently examined for heavy metals concentrations using atomic absorption spectrophotometer (AAS). Heavy metals results in the samples showed Ni as the most concentrated metal with a mean value of 2.52±0.055, 1.42±0.01 and 1.275±0.045 mg/L at Iwofe, Jetty, Minipity and Police Post stations respectively, this was followed by the concentration values of Cr, which were 1.72±0.06, 2.17±0.02 and 1.355±0.015 mg/L at the Iwofe Jetty, Minipiti and Police Post sample stations respectively. The least concentrated metal observed in this study was Cd with amean range of 0.03-0.28 mg/L in the stations. This was followed by the values of Cu from the station which ranged between 0.035 -1.22 mg/L. The general order of the concentration of metals was Ni>Cr>Fe>Zn>Pb>Cu>Cd. All the metals examined in the water samples except Zn were higher than the WHO maximum standard for drinking water.

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Seasonal Assessment of Heavy Metals in Water at Effluents Discharge Points into the New Calabar River, Port Harcourt, Southern Nigeria

Edori
Edori
O. S
O. S
Kpee
Kpee
F.
F.

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