Chemical Speciation, Bioavailability and Risk Assessment of Potentially Toxic Metals in Highway Dusts as Indicators of Highway Pollution

Festus Mayowa Adebiyi; Abiodun Odunlami Adegunwa; Odunayo Timothy Ore; Godswill Ehimengbale Akhigbe

doi:doi:10.11648/j.mc.20190702.12

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Chemical Speciation, Bioavailability and Risk Assessment of Potentially Toxic Metals in Highway Dusts as Indicators of Highway Pollution

Festus Mayowa Adebiyi, Abiodun Odunlami Adegunwa, Odunayo Timothy Ore, Godswill Ehimengbale Akhigbe

Published in Modern Chemistry (Volume 7, Issue 2)

Received: 11 August 2019 Accepted: 29 August 2019 Published: 17 September 2019

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Abstract

This paper investigated concentrations of heavy metals in roadside soil dusts collected along Ife-Ibadan highway in Osun state, Nigeria with the aim of assessing the impacts of vehicular emissions on the environments. The soil dusts were analyzed for total metal concentrations and speciation using Atomic absorption spectrophotometry followed by the evaluation of the metal bioavailability. Results of the total metal analysis indicated that the concentrations of the metals (Pb, Zn, Cu, Fe and Mn) were higher in the contaminated soils than control soils and their WHO maximum allowable limits. The pattern of the total mean concentrations of the metals is in the order: Fe > Cu > Mn > Zn > Pb. The contamination factors of the metals showed that the soils suffered contamination. Analysis of variance (ANOVA) revealed that differences existed significantly in the mean values for all the metals across the study sites. Strong correlation among the metals signified common contamination sources. Cluster analysis produced two major groups: A (Fe and Cu) and B (Zn, Mn and Pb) which is subdivided into two sub-groups viz: Bi (Zn and Mn) and Bii (Pb), indicating similar chemical properties/or sources. The results of the T–test indicated that there were significant differences between the concentrations of the metals in contaminated and control soils. The chemical pools of the metals indicated that the metals were distributed into six fractions with most of the metals residing in the non-residual fractions, suggesting how readily the metals are released into the environment.

Published in	Modern Chemistry (Volume 7, Issue 2)
DOI	10.11648/j.mc.20190702.12
Page(s)	30-37
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), 2019. Published by Science Publishing Group

Keywords

AAS, Chemical Speciation, Contamination, Toxic Metals, Highway, Soil Dust

References

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APA Style

Festus Mayowa Adebiyi, Abiodun Odunlami Adegunwa, Odunayo Timothy Ore, Godswill Ehimengbale Akhigbe. (2019). Chemical Speciation, Bioavailability and Risk Assessment of Potentially Toxic Metals in Highway Dusts as Indicators of Highway Pollution. Modern Chemistry, 7(2), 30-37. https://doi.org/10.11648/j.mc.20190702.12

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ACS Style

Festus Mayowa Adebiyi; Abiodun Odunlami Adegunwa; Odunayo Timothy Ore; Godswill Ehimengbale Akhigbe. Chemical Speciation, Bioavailability and Risk Assessment of Potentially Toxic Metals in Highway Dusts as Indicators of Highway Pollution. Mod. Chem. 2019, 7(2), 30-37. doi: 10.11648/j.mc.20190702.12

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AMA Style

Festus Mayowa Adebiyi, Abiodun Odunlami Adegunwa, Odunayo Timothy Ore, Godswill Ehimengbale Akhigbe. Chemical Speciation, Bioavailability and Risk Assessment of Potentially Toxic Metals in Highway Dusts as Indicators of Highway Pollution. Mod Chem. 2019;7(2):30-37. doi: 10.11648/j.mc.20190702.12

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@article{10.11648/j.mc.20190702.12,
  author = {Festus Mayowa Adebiyi and Abiodun Odunlami Adegunwa and Odunayo Timothy Ore and Godswill Ehimengbale Akhigbe},
  title = {Chemical Speciation, Bioavailability and Risk Assessment of Potentially Toxic Metals in Highway Dusts as Indicators of Highway Pollution},
  journal = {Modern Chemistry},
  volume = {7},
  number = {2},
  pages = {30-37},
  doi = {10.11648/j.mc.20190702.12},
  url = {https://doi.org/10.11648/j.mc.20190702.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.mc.20190702.12},
  abstract = {This paper investigated concentrations of heavy metals in roadside soil dusts collected along Ife-Ibadan highway in Osun state, Nigeria with the aim of assessing the impacts of vehicular emissions on the environments. The soil dusts were analyzed for total metal concentrations and speciation using Atomic absorption spectrophotometry followed by the evaluation of the metal bioavailability. Results of the total metal analysis indicated that the concentrations of the metals (Pb, Zn, Cu, Fe and Mn) were higher in the contaminated soils than control soils and their WHO maximum allowable limits. The pattern of the total mean concentrations of the metals is in the order: Fe > Cu > Mn > Zn > Pb. The contamination factors of the metals showed that the soils suffered contamination. Analysis of variance (ANOVA) revealed that differences existed significantly in the mean values for all the metals across the study sites. Strong correlation among the metals signified common contamination sources. Cluster analysis produced two major groups: A (Fe and Cu) and B (Zn, Mn and Pb) which is subdivided into two sub-groups viz: Bi (Zn and Mn) and Bii (Pb), indicating similar chemical properties/or sources. The results of the T–test indicated that there were significant differences between the concentrations of the metals in contaminated and control soils. The chemical pools of the metals indicated that the metals were distributed into six fractions with most of the metals residing in the non-residual fractions, suggesting how readily the metals are released into the environment.},
 year = {2019}
}

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TY  - JOUR
T1  - Chemical Speciation, Bioavailability and Risk Assessment of Potentially Toxic Metals in Highway Dusts as Indicators of Highway Pollution
AU  - Festus Mayowa Adebiyi
AU  - Abiodun Odunlami Adegunwa
AU  - Odunayo Timothy Ore
AU  - Godswill Ehimengbale Akhigbe
Y1  - 2019/09/17
PY  - 2019
N1  - https://doi.org/10.11648/j.mc.20190702.12
DO  - 10.11648/j.mc.20190702.12
T2  - Modern Chemistry
JF  - Modern Chemistry
JO  - Modern Chemistry
SP  - 30
EP  - 37
PB  - Science Publishing Group
SN  - 2329-180X
UR  - https://doi.org/10.11648/j.mc.20190702.12
AB  - This paper investigated concentrations of heavy metals in roadside soil dusts collected along Ife-Ibadan highway in Osun state, Nigeria with the aim of assessing the impacts of vehicular emissions on the environments. The soil dusts were analyzed for total metal concentrations and speciation using Atomic absorption spectrophotometry followed by the evaluation of the metal bioavailability. Results of the total metal analysis indicated that the concentrations of the metals (Pb, Zn, Cu, Fe and Mn) were higher in the contaminated soils than control soils and their WHO maximum allowable limits. The pattern of the total mean concentrations of the metals is in the order: Fe > Cu > Mn > Zn > Pb. The contamination factors of the metals showed that the soils suffered contamination. Analysis of variance (ANOVA) revealed that differences existed significantly in the mean values for all the metals across the study sites. Strong correlation among the metals signified common contamination sources. Cluster analysis produced two major groups: A (Fe and Cu) and B (Zn, Mn and Pb) which is subdivided into two sub-groups viz: Bi (Zn and Mn) and Bii (Pb), indicating similar chemical properties/or sources. The results of the T–test indicated that there were significant differences between the concentrations of the metals in contaminated and control soils. The chemical pools of the metals indicated that the metals were distributed into six fractions with most of the metals residing in the non-residual fractions, suggesting how readily the metals are released into the environment.
VL  - 7
IS  - 2
ER  -

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Author Information

Festus Mayowa Adebiyi

Department of Chemistry, Obafemi Awolowo University, Ile-Ife, Nigeria
Abiodun Odunlami Adegunwa

Department of Pure and Applied Chemistry, Osun State University, Osogbo, Nigeria
Odunayo Timothy Ore

Department of Chemistry, Obafemi Awolowo University, Ile-Ife, Nigeria
Godswill Ehimengbale Akhigbe

Department of Chemistry, McPherson University, Ajebo, Nigeria

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APA Style

Festus Mayowa Adebiyi, Abiodun Odunlami Adegunwa, Odunayo Timothy Ore, Godswill Ehimengbale Akhigbe. (2019). Chemical Speciation, Bioavailability and Risk Assessment of Potentially Toxic Metals in Highway Dusts as Indicators of Highway Pollution. Modern Chemistry, 7(2), 30-37. https://doi.org/10.11648/j.mc.20190702.12

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ACS Style

Festus Mayowa Adebiyi; Abiodun Odunlami Adegunwa; Odunayo Timothy Ore; Godswill Ehimengbale Akhigbe. Chemical Speciation, Bioavailability and Risk Assessment of Potentially Toxic Metals in Highway Dusts as Indicators of Highway Pollution. Mod. Chem. 2019, 7(2), 30-37. doi: 10.11648/j.mc.20190702.12

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AMA Style

Festus Mayowa Adebiyi, Abiodun Odunlami Adegunwa, Odunayo Timothy Ore, Godswill Ehimengbale Akhigbe. Chemical Speciation, Bioavailability and Risk Assessment of Potentially Toxic Metals in Highway Dusts as Indicators of Highway Pollution. Mod Chem. 2019;7(2):30-37. doi: 10.11648/j.mc.20190702.12

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@article{10.11648/j.mc.20190702.12,
  author = {Festus Mayowa Adebiyi and Abiodun Odunlami Adegunwa and Odunayo Timothy Ore and Godswill Ehimengbale Akhigbe},
  title = {Chemical Speciation, Bioavailability and Risk Assessment of Potentially Toxic Metals in Highway Dusts as Indicators of Highway Pollution},
  journal = {Modern Chemistry},
  volume = {7},
  number = {2},
  pages = {30-37},
  doi = {10.11648/j.mc.20190702.12},
  url = {https://doi.org/10.11648/j.mc.20190702.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.mc.20190702.12},
  abstract = {This paper investigated concentrations of heavy metals in roadside soil dusts collected along Ife-Ibadan highway in Osun state, Nigeria with the aim of assessing the impacts of vehicular emissions on the environments. The soil dusts were analyzed for total metal concentrations and speciation using Atomic absorption spectrophotometry followed by the evaluation of the metal bioavailability. Results of the total metal analysis indicated that the concentrations of the metals (Pb, Zn, Cu, Fe and Mn) were higher in the contaminated soils than control soils and their WHO maximum allowable limits. The pattern of the total mean concentrations of the metals is in the order: Fe > Cu > Mn > Zn > Pb. The contamination factors of the metals showed that the soils suffered contamination. Analysis of variance (ANOVA) revealed that differences existed significantly in the mean values for all the metals across the study sites. Strong correlation among the metals signified common contamination sources. Cluster analysis produced two major groups: A (Fe and Cu) and B (Zn, Mn and Pb) which is subdivided into two sub-groups viz: Bi (Zn and Mn) and Bii (Pb), indicating similar chemical properties/or sources. The results of the T–test indicated that there were significant differences between the concentrations of the metals in contaminated and control soils. The chemical pools of the metals indicated that the metals were distributed into six fractions with most of the metals residing in the non-residual fractions, suggesting how readily the metals are released into the environment.},
 year = {2019}
}

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TY  - JOUR
T1  - Chemical Speciation, Bioavailability and Risk Assessment of Potentially Toxic Metals in Highway Dusts as Indicators of Highway Pollution
AU  - Festus Mayowa Adebiyi
AU  - Abiodun Odunlami Adegunwa
AU  - Odunayo Timothy Ore
AU  - Godswill Ehimengbale Akhigbe
Y1  - 2019/09/17
PY  - 2019
N1  - https://doi.org/10.11648/j.mc.20190702.12
DO  - 10.11648/j.mc.20190702.12
T2  - Modern Chemistry
JF  - Modern Chemistry
JO  - Modern Chemistry
SP  - 30
EP  - 37
PB  - Science Publishing Group
SN  - 2329-180X
UR  - https://doi.org/10.11648/j.mc.20190702.12
AB  - This paper investigated concentrations of heavy metals in roadside soil dusts collected along Ife-Ibadan highway in Osun state, Nigeria with the aim of assessing the impacts of vehicular emissions on the environments. The soil dusts were analyzed for total metal concentrations and speciation using Atomic absorption spectrophotometry followed by the evaluation of the metal bioavailability. Results of the total metal analysis indicated that the concentrations of the metals (Pb, Zn, Cu, Fe and Mn) were higher in the contaminated soils than control soils and their WHO maximum allowable limits. The pattern of the total mean concentrations of the metals is in the order: Fe > Cu > Mn > Zn > Pb. The contamination factors of the metals showed that the soils suffered contamination. Analysis of variance (ANOVA) revealed that differences existed significantly in the mean values for all the metals across the study sites. Strong correlation among the metals signified common contamination sources. Cluster analysis produced two major groups: A (Fe and Cu) and B (Zn, Mn and Pb) which is subdivided into two sub-groups viz: Bi (Zn and Mn) and Bii (Pb), indicating similar chemical properties/or sources. The results of the T–test indicated that there were significant differences between the concentrations of the metals in contaminated and control soils. The chemical pools of the metals indicated that the metals were distributed into six fractions with most of the metals residing in the non-residual fractions, suggesting how readily the metals are released into the environment.
VL  - 7
IS  - 2
ER  -

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