Mobile Low-Field H-1 NMR Spectroscopy Desktop Analysis of Biodiesel Production

dc.creatorLinck, YG
dc.creatorKillner, MHM
dc.creatorDanieli, E
dc.creatorBlumich, B
dc.date2013
dc.dateFEB
dc.date2014-07-30T14:02:30Z
dc.date2015-11-26T16:41:19Z
dc.date2014-07-30T14:02:30Z
dc.date2015-11-26T16:41:19Z
dc.date.accessioned2018-03-28T23:25:32Z
dc.date.available2018-03-28T23:25:32Z
dc.identifierApplied Magnetic Resonance. Springer Wien, v. 44, n. 41671, n. 41, n. 53, 2013.
dc.identifier0937-9347
dc.identifierWOS:000313796500006
dc.identifier10.1007/s00723-012-0405-y
dc.identifierhttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/57165
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/57165
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1272901
dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.descriptionBiodiesel produced mainly by the base-catalyzed transesterification of vegetable oils or animal fats with a short chain alcohol, has become an attractive alternative to petroleum-based diesel fuel. Even though high-field H-1 nuclear magnetic resonance (NMR) is a reliable method for biodiesel quality control, it is restricted by its poor mobility and expensive superconducting coils. As an alternative, this study presents a mobile low-field H-1 NMR spectrometer for the analysis of biodiesel samples derived from different feedstock oils. The low-field H-1 NMR spectra of all the compounds coexisting in a typical transesterification reaction such as rapeseed oil, rapeseed biodiesel, methanol, and glycerol, could be clearly differentiated. Field-dependent characteristic parameters such as relaxation times are provided. The degree of saturation of the different biofuels samples could be reliably estimated via integration of the resolved signals of the spectra. The obtained results agreed well with those measured at high-field H-1 NMR. Since this compositional information is directly related to the biodiesel properties, the presented mobile low-field H-1 NMR device built from permanent magnets arrayed in a Halbach geometry, constitutes an excellent alternative tool for biodiesel quality control.
dc.description44
dc.description41671
dc.description41
dc.description53
dc.descriptionDeutsche Forschungsgemeinschaft (DFG)
dc.descriptionDeutscher Akademischer Austausch Dienst (DAAD)
dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.descriptionCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
dc.languageen
dc.publisherSpringer Wien
dc.publisherWien
dc.publisherAustria
dc.relationApplied Magnetic Resonance
dc.relationAppl. Magn. Reson.
dc.rightsfechado
dc.rightshttp://www.springer.com/open+access/authors+rights?SGWID=0-176704-12-683201-0
dc.sourceWeb of Science
dc.subjectMagnetic-resonance-spectroscopy
dc.subjectNear-infrared Spectroscopy
dc.subjectTransesterification Reaction
dc.subjectNmr
dc.subjectOils
dc.subjectNir
dc.subjectPls
dc.titleMobile Low-Field H-1 NMR Spectroscopy Desktop Analysis of Biodiesel Production
dc.typeArtículos de revistas


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