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dc.contributor.authorRegalado, E.L.
dc.contributor.authorLaguna, A.
dc.contributor.authorTorres, M.
dc.contributor.authorSabatier, J.D.
dc.contributor.authorHernández, M.
dc.contributor.authorFerrer, A.E.
dc.contributor.authorNogueiras, C.
dc.coverage.spatialMar de los Sargazos, Cayo Coco, Cayo Largo del Sur, Caibarién, Santiago de Cuba, Cabo Cruz y Playa Santa Lucia, Cuba
dc.date.accessioned2011-02-22T14:02:46Z
dc.date.available2011-02-22T14:02:46Z
dc.date.issued2007
dc.identifier.citationQuim. Nova, 30(1). p. 5-8
dc.identifier.urihttp://hdl.handle.net/1834/3855
dc.description.abstractHydrogen peroxide bleaching of sodium alginate from seaweeds oh the Sargassum genus was studied. The influence of H2O2 concentration (percentage of H2O2 on a dry weight alginate basis, w/w) and NaOH/H2O2 ratio (% NaOH/% H2O2, both referred to a dry weight alginate basis, w/w) on the molecular weight, color removal and content of Fe3+ ions of bleached alginate samples was investigated by UV and IR spectroscopies, colorimetric determination of Fe3+ ions and vapor pressure osmometry. Higher yield, purity and molecular weight of alginate were obtained using 3% (or less) of hydrogen peroxide and a NaOH/H2O2 ratio of 1.2 for bleaching.en
dc.language.isoes
dc.relation.urihttp://www.scielo.br/pdf/qn/v30n1/01.pdf
dc.titleDecoloración de alginato de sodio extraído de las algas pardas marinas del género sargassum con el uso de peróxido de hidrógenoes
dc.title.alternativeBleaching of sodium alginate from the brown seaweeds sargassum with hydrogen peroxide.en
dc.typeJournal Contribution
dc.bibliographicCitation.agscitationNumbervol. 30,issue:1 p.5-8
dc.bibliographicCitation.endpage8
dc.bibliographicCitation.issue1
dc.bibliographicCitation.stpage5
dc.bibliographicCitation.titleQuim. Novaes
dc.bibliographicCitation.volume30
dc.description.statusPublisheden
dc.description.othersodium alginate, Sargassum
dc.subject.agrovocBleachingen
dc.subject.asfaBleachingen
refterms.dateFOA2021-01-30T18:48:03Z


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