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Sequential Analysis and Geochemical Characterization of Heavy Metals in Araromi Coastal Sediments, Southwestern Nigeria

Received: 20 April 2022    Accepted: 11 May 2022    Published: 24 May 2022
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Abstract

Heavy metals are found naturally in the earth and they become concentrated as a result of natural and anthropogenic activities. Numerous researchers have worked on the pollution and contamination of toxic metals in the soils of the study area but none has been able to carry out sequential analysis and extraction of the heavy metals into different geochemical fractions. Therefore, this research adopted random sampling method across five locations at 100-200cm intervals at depth of 40m. The sediments collected were prepared for sequential analysis using standard chemical reagents which fractionate the metals into five defined phases such as exchangeable, carbonate, easily reducible, organic, and residual for heavy metals such as Ni, Zn, Co, Mn, Fe, Pb, Cr, Cd and Cu using atomic absorption spectrophotometer (AAS) Buck Scientific Model 205A. The results revealed that the residual, exchangeable, reducible, and organic fractions were the most active media where Fe, Mn, Zn, Pb and Cu were prominent and the correlation between them indicated a very strong bond. (0.9). Also, the result of mobility factor revealed that Cd has very high mobility and bioavailability in the studied area which constitutes a major threat to the ecosystem. Whereas, the enrichment factor of heavy metals in all the fractions indicated moderate to extremely high enrichment.

Published in Journal of Health and Environmental Research (Volume 8, Issue 2)
DOI 10.11648/j.jher.20220802.15
Page(s) 96-107
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Araromi, Sequential Extraction, Heavy Metals, Concentration Enrichment Factor, Biodiversity, Correlation Statistics

References
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[15] Olumayede, E. G., Ediagbouya, T. F (2018). Sequential Extraction and Toxicity Potential of Trace metals Absorbed into Airborne Particles in an Urban Atmosphere of Southern Nigeria. Scientific World Journal (2018) 1-10. https//doi/org/10.11552/2018/6852165
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Cite This Article
  • APA Style

    Ayodele Olusiji Samuel, Adeniran Emmanuel Adebayo, Olabanji Sunday Olajide. (2022). Sequential Analysis and Geochemical Characterization of Heavy Metals in Araromi Coastal Sediments, Southwestern Nigeria. Journal of Health and Environmental Research, 8(2), 96-107. https://doi.org/10.11648/j.jher.20220802.15

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    ACS Style

    Ayodele Olusiji Samuel; Adeniran Emmanuel Adebayo; Olabanji Sunday Olajide. Sequential Analysis and Geochemical Characterization of Heavy Metals in Araromi Coastal Sediments, Southwestern Nigeria. J. Health Environ. Res. 2022, 8(2), 96-107. doi: 10.11648/j.jher.20220802.15

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    AMA Style

    Ayodele Olusiji Samuel, Adeniran Emmanuel Adebayo, Olabanji Sunday Olajide. Sequential Analysis and Geochemical Characterization of Heavy Metals in Araromi Coastal Sediments, Southwestern Nigeria. J Health Environ Res. 2022;8(2):96-107. doi: 10.11648/j.jher.20220802.15

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  • @article{10.11648/j.jher.20220802.15,
      author = {Ayodele Olusiji Samuel and Adeniran Emmanuel Adebayo and Olabanji Sunday Olajide},
      title = {Sequential Analysis and Geochemical Characterization of Heavy Metals in Araromi Coastal Sediments, Southwestern Nigeria},
      journal = {Journal of Health and Environmental Research},
      volume = {8},
      number = {2},
      pages = {96-107},
      doi = {10.11648/j.jher.20220802.15},
      url = {https://doi.org/10.11648/j.jher.20220802.15},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jher.20220802.15},
      abstract = {Heavy metals are found naturally in the earth and they become concentrated as a result of natural and anthropogenic activities. Numerous researchers have worked on the pollution and contamination of toxic metals in the soils of the study area but none has been able to carry out sequential analysis and extraction of the heavy metals into different geochemical fractions. Therefore, this research adopted random sampling method across five locations at 100-200cm intervals at depth of 40m. The sediments collected were prepared for sequential analysis using standard chemical reagents which fractionate the metals into five defined phases such as exchangeable, carbonate, easily reducible, organic, and residual for heavy metals such as Ni, Zn, Co, Mn, Fe, Pb, Cr, Cd and Cu using atomic absorption spectrophotometer (AAS) Buck Scientific Model 205A. The results revealed that the residual, exchangeable, reducible, and organic fractions were the most active media where Fe, Mn, Zn, Pb and Cu were prominent and the correlation between them indicated a very strong bond. (0.9). Also, the result of mobility factor revealed that Cd has very high mobility and bioavailability in the studied area which constitutes a major threat to the ecosystem. Whereas, the enrichment factor of heavy metals in all the fractions indicated moderate to extremely high enrichment.},
     year = {2022}
    }
    

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  • TY  - JOUR
    T1  - Sequential Analysis and Geochemical Characterization of Heavy Metals in Araromi Coastal Sediments, Southwestern Nigeria
    AU  - Ayodele Olusiji Samuel
    AU  - Adeniran Emmanuel Adebayo
    AU  - Olabanji Sunday Olajide
    Y1  - 2022/05/24
    PY  - 2022
    N1  - https://doi.org/10.11648/j.jher.20220802.15
    DO  - 10.11648/j.jher.20220802.15
    T2  - Journal of Health and Environmental Research
    JF  - Journal of Health and Environmental Research
    JO  - Journal of Health and Environmental Research
    SP  - 96
    EP  - 107
    PB  - Science Publishing Group
    SN  - 2472-3592
    UR  - https://doi.org/10.11648/j.jher.20220802.15
    AB  - Heavy metals are found naturally in the earth and they become concentrated as a result of natural and anthropogenic activities. Numerous researchers have worked on the pollution and contamination of toxic metals in the soils of the study area but none has been able to carry out sequential analysis and extraction of the heavy metals into different geochemical fractions. Therefore, this research adopted random sampling method across five locations at 100-200cm intervals at depth of 40m. The sediments collected were prepared for sequential analysis using standard chemical reagents which fractionate the metals into five defined phases such as exchangeable, carbonate, easily reducible, organic, and residual for heavy metals such as Ni, Zn, Co, Mn, Fe, Pb, Cr, Cd and Cu using atomic absorption spectrophotometer (AAS) Buck Scientific Model 205A. The results revealed that the residual, exchangeable, reducible, and organic fractions were the most active media where Fe, Mn, Zn, Pb and Cu were prominent and the correlation between them indicated a very strong bond. (0.9). Also, the result of mobility factor revealed that Cd has very high mobility and bioavailability in the studied area which constitutes a major threat to the ecosystem. Whereas, the enrichment factor of heavy metals in all the fractions indicated moderate to extremely high enrichment.
    VL  - 8
    IS  - 2
    ER  - 

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Author Information
  • Department of Applied Geology, Federal University of Technology, Akure, Nigeria

  • Department of Marine Science and Technology, Federal University of Technology, Akure, Nigeria

  • Department of Applied Geology, Federal University of Technology, Akure, Nigeria

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