2011
DOI: 10.1590/s0100-40422011000900006
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Esterificação de ácidos graxos utilizando zircônia sulfatada e compósitos carvão ativado/zircônia sulfatada como catalisadores

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Cited by 11 publications
(10 citation statements)
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“…The amount of desorbed ammonia was monitored with a thermal conductivity detector. The acidity of the catalyst was determined from the quantification of Brønsted acid sites by titration 35 . Finally, 100 mg of the material was brought into contact with 20 mL of 0.1 mol L -1 NaOH for three hours with light agitation.…”
Section: Characterizationsmentioning
confidence: 99%
“…The amount of desorbed ammonia was monitored with a thermal conductivity detector. The acidity of the catalyst was determined from the quantification of Brønsted acid sites by titration 35 . Finally, 100 mg of the material was brought into contact with 20 mL of 0.1 mol L -1 NaOH for three hours with light agitation.…”
Section: Characterizationsmentioning
confidence: 99%
“…Such peaks are in accordance with the synthesis and characterization of SZr previously described (Basahel et al, ; Dosuna‐Rodríguez, Adriany, & Gaigneaux, ; Son, Gwon, & Kim, ). According to Brum, Santos, Destro, and Guerreiro (), the tetragonal phase is very desirable in SZr, because it has high acid strength and, consequently, may result in great catalytic activity.…”
Section: Resultsmentioning
confidence: 99%
“…O teste de acidez de Bronsted foi conduzido segundo BRUM et al [13] em que o número de sítios ácidos de Bronsted disponíveis foi determinado por titulação. Para isso, 100 mg do material foram deixados em contato com 20 mL de NaOH 0,1 mol L -1 , por 3 h, sob leve agitação.…”
Section: Teste De Acidez De Bronstedunclassified