The Corrosion Inhibition of Mild Steel in Sulphuric Acid Solution by Flavonoid (Catechin) Separated from Nypa Fruticans Wurmb Leaves Extract

Nwaugbo Chinenye Michael; James Abosede Olubunmi

doi:doi:10.11648/j.sjc.20140204.11

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The Corrosion Inhibition of Mild Steel in Sulphuric Acid Solution by Flavonoid (Catechin) Separated from Nypa Fruticans Wurmb Leaves Extract

Nwaugbo Chinenye Michael, James Abosede Olubunmi

Published in Science Journal of Chemistry (Volume 2, Issue 4)

Received: 15 October 2014 Accepted: 31 October 2014 Published: 10 November 2014

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Abstract

The corrosion inhibition of mild steel in sulphuric acid by flavonoids, separated from Nypa fruticans Wurmb leaves extract was studied using weight loss technique at 303K, 313K, 323K, 333K and 353K,. The constituents were separated by fractionation using Soxhlet apparatus after room temperature extraction with 70% acetone. The constituents were identified using standard functional group analysis (phytochemical screening) methods. The inhibitor concentrations of 0.1 g/L, 0.2 g/L, 0.3 g/L, 0.4 g/L and 0.5 g/L were used in 0.1M, 0.5M, 1M and 2M concentrations of acid solutions. Inhibition efficiency increased with increase in temperature and inhibitor concentration. Thus, maximum inhibition efficiency of 74.48% was obtained at the optimum temperature (323K) and concentration (0.5 g/L) for the flavonoid constituent. The flavonoid (catechin) separated from Nypa fruticans Wurmb leaves extract were used separately as efficient corrosion inhibitor of mild steel in H2SO4.

Published in	Science Journal of Chemistry (Volume 2, Issue 4)
DOI	10.11648/j.sjc.20140204.11
Page(s)	27-32
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), 2014. Published by Science Publishing Group

Keywords

Corrosion, Inhibition, Nypa Fruticans Wurmb, Flavonoid, Mild Steel, Weight Loss, Sulphuric Acid

References

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APA Style

Nwaugbo Chinenye Michael, James Abosede Olubunmi. (2014). The Corrosion Inhibition of Mild Steel in Sulphuric Acid Solution by Flavonoid (Catechin) Separated from Nypa Fruticans Wurmb Leaves Extract. Science Journal of Chemistry, 2(4), 27-32. https://doi.org/10.11648/j.sjc.20140204.11

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ACS Style

Nwaugbo Chinenye Michael; James Abosede Olubunmi. The Corrosion Inhibition of Mild Steel in Sulphuric Acid Solution by Flavonoid (Catechin) Separated from Nypa Fruticans Wurmb Leaves Extract. Sci. J. Chem. 2014, 2(4), 27-32. doi: 10.11648/j.sjc.20140204.11

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AMA Style

Nwaugbo Chinenye Michael, James Abosede Olubunmi. The Corrosion Inhibition of Mild Steel in Sulphuric Acid Solution by Flavonoid (Catechin) Separated from Nypa Fruticans Wurmb Leaves Extract. Sci J Chem. 2014;2(4):27-32. doi: 10.11648/j.sjc.20140204.11

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@article{10.11648/j.sjc.20140204.11,
  author = {Nwaugbo Chinenye Michael and James Abosede Olubunmi},
  title = {The Corrosion Inhibition of Mild Steel in Sulphuric Acid Solution by Flavonoid (Catechin) Separated from Nypa Fruticans Wurmb Leaves Extract},
  journal = {Science Journal of Chemistry},
  volume = {2},
  number = {4},
  pages = {27-32},
  doi = {10.11648/j.sjc.20140204.11},
  url = {https://doi.org/10.11648/j.sjc.20140204.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjc.20140204.11},
  abstract = {The corrosion inhibition of mild steel in sulphuric acid by flavonoids, separated from Nypa fruticans Wurmb leaves extract was studied using weight loss technique at 303K, 313K, 323K, 333K and 353K,. The constituents were separated by fractionation using Soxhlet apparatus after room temperature extraction with 70% acetone. The constituents were identified using standard functional group analysis (phytochemical screening) methods. The inhibitor concentrations of 0.1 g/L, 0.2 g/L, 0.3 g/L, 0.4 g/L and 0.5 g/L were used in 0.1M, 0.5M, 1M and 2M concentrations of acid solutions. Inhibition efficiency increased with increase in temperature and inhibitor concentration. Thus, maximum inhibition efficiency of 74.48% was obtained at the optimum temperature (323K) and concentration (0.5 g/L) for the flavonoid constituent.  The flavonoid (catechin) separated from Nypa fruticans Wurmb leaves extract were used separately as efficient corrosion inhibitor of mild steel in H2SO4.},
 year = {2014}
}

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TY  - JOUR
T1  - The Corrosion Inhibition of Mild Steel in Sulphuric Acid Solution by Flavonoid (Catechin) Separated from Nypa Fruticans Wurmb Leaves Extract
AU  - Nwaugbo Chinenye Michael
AU  - James Abosede Olubunmi
Y1  - 2014/11/10
PY  - 2014
N1  - https://doi.org/10.11648/j.sjc.20140204.11
DO  - 10.11648/j.sjc.20140204.11
T2  - Science Journal of Chemistry
JF  - Science Journal of Chemistry
JO  - Science Journal of Chemistry
SP  - 27
EP  - 32
PB  - Science Publishing Group
SN  - 2330-099X
UR  - https://doi.org/10.11648/j.sjc.20140204.11
AB  - The corrosion inhibition of mild steel in sulphuric acid by flavonoids, separated from Nypa fruticans Wurmb leaves extract was studied using weight loss technique at 303K, 313K, 323K, 333K and 353K,. The constituents were separated by fractionation using Soxhlet apparatus after room temperature extraction with 70% acetone. The constituents were identified using standard functional group analysis (phytochemical screening) methods. The inhibitor concentrations of 0.1 g/L, 0.2 g/L, 0.3 g/L, 0.4 g/L and 0.5 g/L were used in 0.1M, 0.5M, 1M and 2M concentrations of acid solutions. Inhibition efficiency increased with increase in temperature and inhibitor concentration. Thus, maximum inhibition efficiency of 74.48% was obtained at the optimum temperature (323K) and concentration (0.5 g/L) for the flavonoid constituent.  The flavonoid (catechin) separated from Nypa fruticans Wurmb leaves extract were used separately as efficient corrosion inhibitor of mild steel in H2SO4.
VL  - 2
IS  - 4
ER  -

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Author Information

Nwaugbo Chinenye Michael

Department of Pure and Industrial Chemistry, Faculty of Chemical Sciences, University of Port Harcourt, P.M.B. 5323, Port Harcourt, Rivers Sate, Nigeria
James Abosede Olubunmi

Department of Pure and Industrial Chemistry, Faculty of Chemical Sciences, University of Port Harcourt, P.M.B. 5323, Port Harcourt, Rivers Sate, Nigeria

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Nwaugbo Chinenye Michael, James Abosede Olubunmi. (2014). The Corrosion Inhibition of Mild Steel in Sulphuric Acid Solution by Flavonoid (Catechin) Separated from Nypa Fruticans Wurmb Leaves Extract. Science Journal of Chemistry, 2(4), 27-32. https://doi.org/10.11648/j.sjc.20140204.11

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ACS Style

Nwaugbo Chinenye Michael; James Abosede Olubunmi. The Corrosion Inhibition of Mild Steel in Sulphuric Acid Solution by Flavonoid (Catechin) Separated from Nypa Fruticans Wurmb Leaves Extract. Sci. J. Chem. 2014, 2(4), 27-32. doi: 10.11648/j.sjc.20140204.11

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AMA Style

Nwaugbo Chinenye Michael, James Abosede Olubunmi. The Corrosion Inhibition of Mild Steel in Sulphuric Acid Solution by Flavonoid (Catechin) Separated from Nypa Fruticans Wurmb Leaves Extract. Sci J Chem. 2014;2(4):27-32. doi: 10.11648/j.sjc.20140204.11

Copy | Download

@article{10.11648/j.sjc.20140204.11,
  author = {Nwaugbo Chinenye Michael and James Abosede Olubunmi},
  title = {The Corrosion Inhibition of Mild Steel in Sulphuric Acid Solution by Flavonoid (Catechin) Separated from Nypa Fruticans Wurmb Leaves Extract},
  journal = {Science Journal of Chemistry},
  volume = {2},
  number = {4},
  pages = {27-32},
  doi = {10.11648/j.sjc.20140204.11},
  url = {https://doi.org/10.11648/j.sjc.20140204.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjc.20140204.11},
  abstract = {The corrosion inhibition of mild steel in sulphuric acid by flavonoids, separated from Nypa fruticans Wurmb leaves extract was studied using weight loss technique at 303K, 313K, 323K, 333K and 353K,. The constituents were separated by fractionation using Soxhlet apparatus after room temperature extraction with 70% acetone. The constituents were identified using standard functional group analysis (phytochemical screening) methods. The inhibitor concentrations of 0.1 g/L, 0.2 g/L, 0.3 g/L, 0.4 g/L and 0.5 g/L were used in 0.1M, 0.5M, 1M and 2M concentrations of acid solutions. Inhibition efficiency increased with increase in temperature and inhibitor concentration. Thus, maximum inhibition efficiency of 74.48% was obtained at the optimum temperature (323K) and concentration (0.5 g/L) for the flavonoid constituent.  The flavonoid (catechin) separated from Nypa fruticans Wurmb leaves extract were used separately as efficient corrosion inhibitor of mild steel in H2SO4.},
 year = {2014}
}

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TY  - JOUR
T1  - The Corrosion Inhibition of Mild Steel in Sulphuric Acid Solution by Flavonoid (Catechin) Separated from Nypa Fruticans Wurmb Leaves Extract
AU  - Nwaugbo Chinenye Michael
AU  - James Abosede Olubunmi
Y1  - 2014/11/10
PY  - 2014
N1  - https://doi.org/10.11648/j.sjc.20140204.11
DO  - 10.11648/j.sjc.20140204.11
T2  - Science Journal of Chemistry
JF  - Science Journal of Chemistry
JO  - Science Journal of Chemistry
SP  - 27
EP  - 32
PB  - Science Publishing Group
SN  - 2330-099X
UR  - https://doi.org/10.11648/j.sjc.20140204.11
AB  - The corrosion inhibition of mild steel in sulphuric acid by flavonoids, separated from Nypa fruticans Wurmb leaves extract was studied using weight loss technique at 303K, 313K, 323K, 333K and 353K,. The constituents were separated by fractionation using Soxhlet apparatus after room temperature extraction with 70% acetone. The constituents were identified using standard functional group analysis (phytochemical screening) methods. The inhibitor concentrations of 0.1 g/L, 0.2 g/L, 0.3 g/L, 0.4 g/L and 0.5 g/L were used in 0.1M, 0.5M, 1M and 2M concentrations of acid solutions. Inhibition efficiency increased with increase in temperature and inhibitor concentration. Thus, maximum inhibition efficiency of 74.48% was obtained at the optimum temperature (323K) and concentration (0.5 g/L) for the flavonoid constituent.  The flavonoid (catechin) separated from Nypa fruticans Wurmb leaves extract were used separately as efficient corrosion inhibitor of mild steel in H2SO4.
VL  - 2
IS  - 4
ER  -

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