European Journal of Chemistry 2011, 2(4), 499-502. doi:10.5155/eurjchem.2.4.499-502.461

Selective transport of Ag (I) ion across a bulk liquid incorporated with dibenzo 18-crown-6 (DB18C6) as carrier


Azizollah Nezhadali (1,*) , Fatemeh Moein Pour (2)

(1) Department of Chemistry, Payame Noor University, Mashhad-868-31, Iran
(2) Department of Chemistry, Payame Noor University, Mashhad-868-31, Iran
(*) Corresponding Author

Received: 13 May 2011, Accepted: 27 Jul 2011, Published: 31 Dec 2011

Abstract


The competitive metal ion transport of Ag(I), Co(II), Ni(II), Zn(II), Cu(II), Cd(II) and Mn(II) cations with dibenzo-18-crown-6 (DB18C6) were studied and compared. The source phase contained equimolar concentration of the metal cation and the organic phase contained the ligand (DB18C6) in an organic solvent. The concentrations in the all transport experiments for the cations and ligand were 0.01 M and 1.0×10-3M, respectively. The source phase solutions were buffered (acetic acid/sodium acetate) at pH 4-6. The transports of Cu(II), Ag(І) and Co(II) with DB18C6 are possible in the mixture, but the transport efficiency for Ag(І) ion is much better than the other cations. The presence of dichloromethane and 1,2 dichloroethane were optimized in the organic phase. The results show the transport efficiency depends to the types of thiourea and potassium thiocyanate ligands in the receiving phase. The results show that the presence of palmetic acid in the membrane phase improves the efficiency of the transport for Ag(І) cation.

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Keywords


Cation; Silver(I); 18Crown6; Transport; Membrane phase; Atomic absorption spectrometer

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DOI: 10.5155/eurjchem.2.4.499-502.461

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Citations

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[1]. Azizollah Nezhadali, Reza Mohammadi, Maliheh Mojarrab
An overview on pollutants removal from aqueous solutions via bulk liquid membranes (BLMs): Parameters that influence the effectiveness, selectivity and transport kinetic
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DOI: 10.1016/j.jece.2019.103339
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[2]. Azizollah Nezhadali, Reza Mohammadi, Mina Akbarpour, Javad Ebrahimi
Selective transport of Cu(II) ions from a mixture of Mn(II), Co(II), Ni(II), Cu(II), Zn(II), and Pb(II) cations through a bulk liquid membrane using benzyl bis(thiosemicarbazone) as carrier
Desalination and Water Treatment  57(29), 13818, 2016
DOI: 10.1080/19443994.2015.1072841
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How to cite


Nezhadali, A.; Pour, F. Eur. J. Chem. 2011, 2(4), 499-502. doi:10.5155/eurjchem.2.4.499-502.461
Nezhadali, A.; Pour, F. Selective transport of Ag (I) ion across a bulk liquid incorporated with dibenzo 18-crown-6 (DB18C6) as carrier. Eur. J. Chem. 2011, 2(4), 499-502. doi:10.5155/eurjchem.2.4.499-502.461
Nezhadali, A., & Pour, F. (2011). Selective transport of Ag (I) ion across a bulk liquid incorporated with dibenzo 18-crown-6 (DB18C6) as carrier. European Journal of Chemistry, 2(4), 499-502. doi:10.5155/eurjchem.2.4.499-502.461
Nezhadali, Azizollah, & Fatemeh Moein Pour. "Selective transport of Ag (I) ion across a bulk liquid incorporated with dibenzo 18-crown-6 (DB18C6) as carrier." European Journal of Chemistry [Online], 2.4 (2011): 499-502. Web. 22 Sep. 2019
Nezhadali, Azizollah, AND Pour, Fatemeh. "Selective transport of Ag (I) ion across a bulk liquid incorporated with dibenzo 18-crown-6 (DB18C6) as carrier" European Journal of Chemistry [Online], Volume 2 Number 4 (31 December 2011)

DOI Link: https://doi.org/10.5155/eurjchem.2.4.499-502.461

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