Organic Solvent Effect, Thermodynamic Study and Synergism Behavior for Extraction Efficiency of Cobalt (II) Complex with 1-[2-Pyridyl Azo] -2-Naphthol

Organic Solvent Effect, Thermodynamic Study and Synergism Behavior for Extraction Efficiency of Cobalt (II) Complex with 1-[2-Pyridyl Azo] -2-Naphthol

Ibtehaj R. Ali

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Shawket. K. Jawad

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Fatimah A. Wannas

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Jihan. R. Maslim

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University of Kufa

Organic Solvent Effect, Thermodynamic Study and Synergism Behavior for Extraction Efficiency of Cobalt (II) Complex with 1-[2-Pyridyl Azo] -2-Naphthol

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Abstract

After pinpoint all optimum conditions for extraction Cobalt(II) as ion pair association complex or chleated complex with complexing agent 1-[2-pyridyl azo] -2-naphthol which dimonirtrate λ max for complex extracted was (446nm.) more stable complex formation was at pH= 7 and 60 µg Co(II)/5ml with 1×10 -4 M 1-[2-pyridyl azo] -2-naphthol[PAN] dissolved in chloroform and shaking time 10 minutes. The stoichiometry of complex extracted to the organic phase was 1:1 metal : PAN [Co(PAN) + Cl -] or [Co(PAN)] + (Cl -).Extraction method was endothermic as well as thermodynamic parameters after calculated was ∆H ex = 0.0149 KJmol -, ∆G ex = -58.81 KJ mol -and ∆S ex = 176.55 J mol -. Synergism study show from the slope is appear there is one molecule of TBP or MIBK participated in the structure of complex extracted to the organic phase.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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How to Cite This Article

Ibtehaj R. Ali. 2016. \u201cOrganic Solvent Effect, Thermodynamic Study and Synergism Behavior for Extraction Efficiency of Cobalt (II) Complex with 1-[2-Pyridyl Azo] -2-Naphthol\u201d. Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 16 (GJSFR Volume 16 Issue B1).

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GJSFR Volume 16 Issue B1

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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GJSFR-B Classification FOR Code: 030599

Submission ReceivedDecember 18, 2015
Peer Review Double Blind
Handling Editor
Accepted January 13, 2016
Published January 23, 2016

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v1.2

Issue date

March 1, 2016

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Article Matrices

Total Score: 104

Country: Iraq

Subject: Global Journal of Science Frontier Research - B: Chemistry

Authors: Shawket. K. Jawad, Fatimah A. Wannas, Jihan. R. Maslim, Ibtehaj R. Ali (PhD/Dr. count: 0)

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