POTENTIOMETRIC RESPONSE OF POLYMERIC LIQUID MEMBRANES BASED ON QUATERNARY AMMONIUM SALTS FOR NITRATE ION DETERMINATION
Polymeric liquid membranes are prepared using (3-nitro-o-xylene (NOX), tri-butylphosphate (TBP), bis-(2-ethylhexyl) sebacate (DOS), o-nitrophenyloctyl ether (o-NPOE), tris-2-ethylhexylphosphate (TEHP), dioctylphthalate (DOP) and dibutylphthalate (DBP) as plasticizers, and they have been used as sens...
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Sociedad Chilena de Química
2004
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oai:scielo:S0717-970720040003000072006-03-21POTENTIOMETRIC RESPONSE OF POLYMERIC LIQUID MEMBRANES BASED ON QUATERNARY AMMONIUM SALTS FOR NITRATE ION DETERMINATIONARADA PÉREZ,MARÍA DE LOS ANGELESYAZDANI-PEDRAM,MEHRDAD ion-selective electrode nitrate ion tri-octylmethyl ammonium chloride liquid membranes poly(vinyl chloride) Polymeric liquid membranes are prepared using (3-nitro-o-xylene (NOX), tri-butylphosphate (TBP), bis-(2-ethylhexyl) sebacate (DOS), o-nitrophenyloctyl ether (o-NPOE), tris-2-ethylhexylphosphate (TEHP), dioctylphthalate (DOP) and dibutylphthalate (DBP) as plasticizers, and they have been used as sensors for nitrate ion, employing tri-octylmethyl ammonium chloride (TOMACl) as ionosphere and poly(vinyl chloride) (PVC) as matrix. The sensors showed Nernstian slopes with values of the practical detection limit (PDL) and lower limit of linear response (LLLR) in the concentration range of 10-6 10-5mol/dm³. All the electrodes built showed a fast and stable response of 15 seconds. Wide working pH ranges, especially in the alkaline region, were observed. The response of the sensors was determined in relation to the lipophilicity of each plasticizer used as solvent-mediator, its dielectric constant (e r), polarity and viscosityinfo:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.49 n.3 20042004-09-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072004000300007en10.4067/S0717-97072004000300007 |
institution |
Scielo Chile |
collection |
Scielo Chile |
language |
English |
topic |
ion-selective electrode nitrate ion tri-octylmethyl ammonium chloride liquid membranes poly(vinyl chloride) |
spellingShingle |
ion-selective electrode nitrate ion tri-octylmethyl ammonium chloride liquid membranes poly(vinyl chloride) ARADA PÉREZ,MARÍA DE LOS ANGELES YAZDANI-PEDRAM,MEHRDAD POTENTIOMETRIC RESPONSE OF POLYMERIC LIQUID MEMBRANES BASED ON QUATERNARY AMMONIUM SALTS FOR NITRATE ION DETERMINATION |
description |
Polymeric liquid membranes are prepared using (3-nitro-o-xylene (NOX), tri-butylphosphate (TBP), bis-(2-ethylhexyl) sebacate (DOS), o-nitrophenyloctyl ether (o-NPOE), tris-2-ethylhexylphosphate (TEHP), dioctylphthalate (DOP) and dibutylphthalate (DBP) as plasticizers, and they have been used as sensors for nitrate ion, employing tri-octylmethyl ammonium chloride (TOMACl) as ionosphere and poly(vinyl chloride) (PVC) as matrix. The sensors showed Nernstian slopes with values of the practical detection limit (PDL) and lower limit of linear response (LLLR) in the concentration range of 10-6 10-5mol/dm³. All the electrodes built showed a fast and stable response of 15 seconds. Wide working pH ranges, especially in the alkaline region, were observed. The response of the sensors was determined in relation to the lipophilicity of each plasticizer used as solvent-mediator, its dielectric constant (e r), polarity and viscosity |
author |
ARADA PÉREZ,MARÍA DE LOS ANGELES YAZDANI-PEDRAM,MEHRDAD |
author_facet |
ARADA PÉREZ,MARÍA DE LOS ANGELES YAZDANI-PEDRAM,MEHRDAD |
author_sort |
ARADA PÉREZ,MARÍA DE LOS ANGELES |
title |
POTENTIOMETRIC RESPONSE OF POLYMERIC LIQUID MEMBRANES BASED ON QUATERNARY AMMONIUM SALTS FOR NITRATE ION DETERMINATION |
title_short |
POTENTIOMETRIC RESPONSE OF POLYMERIC LIQUID MEMBRANES BASED ON QUATERNARY AMMONIUM SALTS FOR NITRATE ION DETERMINATION |
title_full |
POTENTIOMETRIC RESPONSE OF POLYMERIC LIQUID MEMBRANES BASED ON QUATERNARY AMMONIUM SALTS FOR NITRATE ION DETERMINATION |
title_fullStr |
POTENTIOMETRIC RESPONSE OF POLYMERIC LIQUID MEMBRANES BASED ON QUATERNARY AMMONIUM SALTS FOR NITRATE ION DETERMINATION |
title_full_unstemmed |
POTENTIOMETRIC RESPONSE OF POLYMERIC LIQUID MEMBRANES BASED ON QUATERNARY AMMONIUM SALTS FOR NITRATE ION DETERMINATION |
title_sort |
potentiometric response of polymeric liquid membranes based on quaternary ammonium salts for nitrate ion determination |
publisher |
Sociedad Chilena de Química |
publishDate |
2004 |
url |
http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072004000300007 |
work_keys_str_mv |
AT aradaperezmariadelosangeles potentiometricresponseofpolymericliquidmembranesbasedonquaternaryammoniumsaltsfornitrateiondetermination AT yazdanipedrammehrdad potentiometricresponseofpolymericliquidmembranesbasedonquaternaryammoniumsaltsfornitrateiondetermination |
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