Determination of sulfate in ethanol fuel using an electrode chemically modified with polypyrrole by flow injection analysis

dc.contributorUniversidade Estadual Paulista (UNESP)
dc.creatorCastilho, Michelle de Souza
dc.creatorYamanaka, Hideko
dc.creatorOliveira, Marcelo Firmino de
dc.creatorZanoni, Maria Valnice Boldrin
dc.creatorStradiotto, Nelson Ramos
dc.date2015-05-15T13:30:22Z
dc.date2016-10-25T20:48:38Z
dc.date2015-05-15T13:30:22Z
dc.date2016-10-25T20:48:38Z
dc.date2010
dc.date.accessioned2017-04-06T08:16:55Z
dc.date.available2017-04-06T08:16:55Z
dc.identifierJournal of Biofuels, v. 1, n. 2, p. 220-227, 2010.
dc.identifier0976-3015
dc.identifierhttp://hdl.handle.net/11449/123528
dc.identifierhttp://acervodigital.unesp.br/handle/11449/123528
dc.identifierhttp://dx.doi.org/10.5958/j.0976-3015.1.2.027
dc.identifier0000-0002-2296-1393
dc.identifier0072173018005712
dc.identifier6167204386206414
dc.identifier1923726000036625
dc.identifier8477732400095433
dc.identifier1183672452248157
dc.identifierhttp://www.indianjournals.com/ijor.aspx?target=ijor:jbf&volume=1&issue=2&article=005
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/934139
dc.descriptionIn this work, an electrode chemically modified with polypyrrole (PCME) was employed for determination of sulfate in ethanol fuel using a FIA system. The PCME was prepared by polymerization of pyrrole at a glassy carbon electrode by means of cyclic voltammetry technique. An analytical curve from 1.0 x 10−5 to 8.0 x 10−5 mol L−1 was obtained in flow injection system based on the PCME. An amperometric sensibility of 2.3 x 10−3 A mol−1 L and a detection limit of 2.5 x 10−6 mol L−1 were achieved. The proposed method was employed for determination of sulfate ions in commercial samples of ethanol fuel. The results were in good agreement with those obtained by the ionic chromatographic method.
dc.languageeng
dc.relationJournal of Biofuels
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectEthanol fuel
dc.subjectSulfate determination
dc.subjectPolypyrrole-film
dc.subjectFlow injection analysis
dc.titleDetermination of sulfate in ethanol fuel using an electrode chemically modified with polypyrrole by flow injection analysis
dc.typeOtro


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