Abstract:Recebido em 6/5/05; aceito em 7/4/06; publicado na web em 22/8/06 BLEACHING OF SODIUM ALGINATE FROM THE BROWN SEAWEEDS SARGASSUM WITH HYDROGEN PEROXIDE. Hydrogen peroxide bleaching of sodium alginate from seaweeds oh the Sargassum genus was studied. The influence of H 2 O 2 concentration (percentage of H 2 O 2 on a dry weight alginate basis, w/w) and NaOH/H 2 O 2 ratio (% NaOH/% H 2 O 2 , both referred to a dry weight alginate basis, w/w) on the molecular weight, color removal and content of Fe 3+ ions of blea… Show more
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