Impregnação do ácido 12-fosfotúngstico em sílica - parte I: determinação de parâmetros de impregnação, caracterização e avaliação da atividade catalítica
Catalyst based on Kegging-type heteropolyacids (H3PW12O40 - HPA), supported on SiO2 (H3PW), were prepared by the impregnation method under different thermal treatment conditions. The materials were characterized by different instrumental techniques and used as catalysts in the methyl esterification...
Main Authors: | Karine Isabel Scroccaro, Valcineide Oliveira de Andrade Tanobe, Lílian Cristina Côcco, Carlos Itsuo Yamamoto, Fernando Wypych |
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Format: | Article |
Language: | English |
Published: |
Sociedade Brasileira de Química
2012-01-01
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Series: | Química Nova |
Subjects: | |
Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000700011&lng=en&tlng=en |
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