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dc.contributor.authorOliveira, Diogo Müller dept_BR
dc.contributor.authorOngaratto, Diego Paulopt_BR
dc.contributor.authorFontoura, Luiz Antonio Mazzinipt_BR
dc.contributor.authorNaciuk, Fabricio Fredopt_BR
dc.contributor.authorSantos, Vinícius Oliveira Batista dospt_BR
dc.contributor.authorKunz, Jéssica Danielipt_BR
dc.contributor.authorMarques, Marcelo Volpattopt_BR
dc.contributor.authorSouza, Alexander Ossanes dept_BR
dc.contributor.authorPereira, Claudio Martin Pereira dept_BR
dc.contributor.authorSamios, Dimitriospt_BR
dc.date.accessioned2015-04-29T02:00:04Zpt_BR
dc.date.issued2013pt_BR
dc.identifier.issn0100-4042pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/115657pt_BR
dc.description.abstractMethanolic transesterification of oils and fats was carried out in a two steps procedure, under basic and acidic catalysis. Palm, soybean, canola, corn, rice, grapeseed, sunflower, peanut, pequi and olive oils, besides tallow and lard were used as feedstock. Specific gravity, relative viscosity, thin layer chromatography and gas chromatography were used to characterize the biodiesel. Biodiesel was obtained in high yield and purity. Results were used to discuss the following key-concepts: 1 – triglycerides, composition and properties; 2 – nucleophilic acyl substitution under basic and acid conditions, 3 – thin layer chromatography, 4 – gas chromatography and its quantitative methods.en
dc.format.mimetypeapplication/pdf
dc.language.isoporpt_BR
dc.relation.ispartofQuímica nova. São Paulo. Vol. 36, n. 5 (2013), p. 734-737pt_BR
dc.rightsOpen Accessen
dc.subjectChromatography;en
dc.subjectCromatografia gasosapt_BR
dc.subjectBiodieselpt_BR
dc.subjectOils and fatsen
dc.titleObtenção de biodiesel por transesterificação em dois estágios e sua caracterização por cromatografia gasosa : óleos e gorduras em laboratório de química orgânicapt_BR
dc.title.alternativeTransesterification double step process for biodiesel preparation and its chromatographic characterization : oils and fats in practical organic chemistryen
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000965010pt_BR
dc.type.originNacionalpt_BR


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