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dc.contributor.authorSantos, Ademir dos-
dc.contributor.authorPolese, Luciana-
dc.contributor.authorRibeiro, Clovis Augusto-
dc.contributor.authorErnandes, Jose Roberto-
dc.contributor.authorDametto, Alessandra Cristina-
dc.contributor.authorMangili, Lilian Silveira-
dc.contributor.authorKesserlingh, Sonia Maria-
dc.contributor.authorNonato, Roberto Vianna-
dc.identifier.citationQuimica Nova. São Paulo: Soc Brasileira Quimica, v. 30, n. 8, p. 1951-1955, 2007.-
dc.description.abstractThe efficiency of two methods for determining 3-hydroxybutyrate and 3-hydroxyvalerate content in the biopolymer (poly(3-hydroxybutyrate-co-3-hydroxyvalerate) has been evaluated. Both methods are based on (a) the hydrolysis of polymers, (b) the esterification with methyl (method A) and isoamilic alcohol (method B) and (c) analysis of the esters by gas chromatography using flame ionization detection (GC-FID). After optimization of the analytical conditions, the main validation parameters (linearity, quantification limit, detection limit, recovery, sensitivity and precision) were determined showing that both analytical procedures can be applied to control the process of poly(3-hydroxybutyrate) production. However, method B gives better analytical results than method A and has the advantage of not using chlorinated solvents.en
dc.publisherSoc Brasileira Quimica-
dc.sourceWeb of Science-
dc.subjectvalidation of methodspt
dc.subjectbiopolymer analysispt
dc.subjectpolyhydroxyalkanoate compositionpt
dc.titleValidação de métodos para determinação do teor de 3-hidroxibutirato e 3-hidroxivalerato em polímero biodegradávelpt
dc.title.alternativeValidation of methods for determining the content of 3-hydroxybutyrate and 3-hydroxyvalerate in a biodegradable polymeren
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionPHB Ind S A-
dc.description.affiliationUniv Estadual Paulista, Inst Quim, BR-14800900 Araraquara, SP, Brazil-
dc.description.affiliationPHB Ind S A, BR-14150000 Serrana, SP, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim, BR-14800900 Araraquara, SP, Brazil-
dc.rights.accessRightsAcesso aberto-
dc.relation.ispartofQuímica Nova-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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