MONITORING OF IRON (III) IONS WITH A FE3+-PVC MEMBRANE SENSOR BASED ON 4, 4'-DIMETHOXYBENZIL BISTHIOSEMICARBAZONE

A new poly(vinyl chloride) membrane electrode that is highly selective to Fe3+ions was prepared by using 4,4'-Dimethoxybenzil bisthiosemicarbazone (DBTS) as a suitable neutral carrier. Membrane incorporating 4,4'-Dimethoxybenzil bisthiosemicarbazone (DBTS), as ionophore with composition DB...

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Autores principales:	ZAMANI,HASSAN ALI, REZA ABEDI,MOHAMMAD, REZA GANJALI,MOHAMMAD
Lenguaje:	English
Publicado:	Sociedad Chilena de Química 2009
Materias:	PVC Membrane Iron(III) Sensor Potentiometry Ion-selective electrode 4,4'-Dimethoxybenzil bisthiosemicarbazone
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072009000200021
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spelling	oai:scielo:S0717-970720090002000212009-10-07MONITORING OF IRON (III) IONS WITH A FE3+-PVC MEMBRANE SENSOR BASED ON 4, 4'-DIMETHOXYBENZIL BISTHIOSEMICARBAZONEZAMANI,HASSAN ALIREZA ABEDI,MOHAMMADREZA GANJALI,MOHAMMAD PVC Membrane Iron(III) Sensor Potentiometry Ion-selective electrode 4,4'-Dimethoxybenzil bisthiosemicarbazone A new poly(vinyl chloride) membrane electrode that is highly selective to Fe3+ions was prepared by using 4,4'-Dimethoxybenzil bisthiosemicarbazone (DBTS) as a suitable neutral carrier. Membrane incorporating 4,4'-Dimethoxybenzil bisthiosemicarbazone (DBTS), as ionophore with composition DBTS :NaTPB:NB:PVC in the ratio 2:2:64:32 (w/w) exhibits the best result for potentiometric sensing of Fe3+ ions. The electrode exhibited a near-Nernstian response to Fe3+ in the concentration range of 1.0 x 10-6to 1.0x10-2M with a slope of 19.4 ± 0.5 mV per decade. The proposed sensor can be used over a period of 2 months. The lower limit of detection was 3.6x 10-7 M. This electrode showed high selectivity with respect to alkaline, alkaline earth, and heavy metal ions and could be used over a pH range of 1.8-5.0. It has been successfully used as an indicator electrode in potentiometric titration of Fe3+ against EDTA as well as for the determination of Fe3+ in water sample solutions (tap and mineral water samples).info:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.54 n.2 20092009-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072009000200021en10.4067/S0717-97072009000200021
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	PVC Membrane Iron(III) Sensor Potentiometry Ion-selective electrode 4,4'-Dimethoxybenzil bisthiosemicarbazone
spellingShingle	PVC Membrane Iron(III) Sensor Potentiometry Ion-selective electrode 4,4'-Dimethoxybenzil bisthiosemicarbazone ZAMANI,HASSAN ALI REZA ABEDI,MOHAMMAD REZA GANJALI,MOHAMMAD MONITORING OF IRON (III) IONS WITH A FE3+-PVC MEMBRANE SENSOR BASED ON 4, 4'-DIMETHOXYBENZIL BISTHIOSEMICARBAZONE
description	A new poly(vinyl chloride) membrane electrode that is highly selective to Fe3+ions was prepared by using 4,4'-Dimethoxybenzil bisthiosemicarbazone (DBTS) as a suitable neutral carrier. Membrane incorporating 4,4'-Dimethoxybenzil bisthiosemicarbazone (DBTS), as ionophore with composition DBTS :NaTPB:NB:PVC in the ratio 2:2:64:32 (w/w) exhibits the best result for potentiometric sensing of Fe3+ ions. The electrode exhibited a near-Nernstian response to Fe3+ in the concentration range of 1.0 x 10-6to 1.0x10-2M with a slope of 19.4 ± 0.5 mV per decade. The proposed sensor can be used over a period of 2 months. The lower limit of detection was 3.6x 10-7 M. This electrode showed high selectivity with respect to alkaline, alkaline earth, and heavy metal ions and could be used over a pH range of 1.8-5.0. It has been successfully used as an indicator electrode in potentiometric titration of Fe3+ against EDTA as well as for the determination of Fe3+ in water sample solutions (tap and mineral water samples).
author	ZAMANI,HASSAN ALI REZA ABEDI,MOHAMMAD REZA GANJALI,MOHAMMAD
author_facet	ZAMANI,HASSAN ALI REZA ABEDI,MOHAMMAD REZA GANJALI,MOHAMMAD
author_sort	ZAMANI,HASSAN ALI
title	MONITORING OF IRON (III) IONS WITH A FE3+-PVC MEMBRANE SENSOR BASED ON 4, 4'-DIMETHOXYBENZIL BISTHIOSEMICARBAZONE
title_short	MONITORING OF IRON (III) IONS WITH A FE3+-PVC MEMBRANE SENSOR BASED ON 4, 4'-DIMETHOXYBENZIL BISTHIOSEMICARBAZONE
title_full	MONITORING OF IRON (III) IONS WITH A FE3+-PVC MEMBRANE SENSOR BASED ON 4, 4'-DIMETHOXYBENZIL BISTHIOSEMICARBAZONE
title_fullStr	MONITORING OF IRON (III) IONS WITH A FE3+-PVC MEMBRANE SENSOR BASED ON 4, 4'-DIMETHOXYBENZIL BISTHIOSEMICARBAZONE
title_full_unstemmed	MONITORING OF IRON (III) IONS WITH A FE3+-PVC MEMBRANE SENSOR BASED ON 4, 4'-DIMETHOXYBENZIL BISTHIOSEMICARBAZONE
title_sort	monitoring of iron (iii) ions with a fe3+-pvc membrane sensor based on 4, 4'-dimethoxybenzil bisthiosemicarbazone
publisher	Sociedad Chilena de Química
publishDate	2009
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072009000200021
work_keys_str_mv	AT zamanihassanali monitoringofironiiiionswithafe3pvcmembranesensorbasedon44dimethoxybenzilbisthiosemicarbazone AT rezaabedimohammad monitoringofironiiiionswithafe3pvcmembranesensorbasedon44dimethoxybenzilbisthiosemicarbazone AT rezaganjalimohammad monitoringofironiiiionswithafe3pvcmembranesensorbasedon44dimethoxybenzilbisthiosemicarbazone
_version_	1718445404936208384

MONITORING OF IRON (III) IONS WITH A FE3+-PVC MEMBRANE SENSOR BASED ON 4, 4'-DIMETHOXYBENZIL BISTHIOSEMICARBAZONE

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