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Catalisadores de Pd/Al2O3 modificados com La: preparação, caracterização e propriedades catalíticas nas reações de reforma a vapor e autotérmica do metano
(Universidade Federal de São Carlos, 2010-11-26)
The Pd catalysts were prepared by wet impregnation method of the supports using an aqueous solution of palladium nitrate. (x)La2O3-Al2O3 carriers, with x = 0 to 20 wt %, were obtained by wet impregnation and sol gel methods. ...
Caracterização e aplicação de zeólitas naturais
(Universidade Federal de São Carlos, 2010-03-05)
Zeolites are aluminosilicates with a three dimensional framework structure bearing AlO4 and SiO4 tetrahedra. These are linked to each other by sharing all of the oxygen to form interconnected cages and ...
Estratégias quimiométricas para análise de plantas por espectrometria de emissão óptica com plasma induzido por laser
(Universidade Federal de São Carlos, 2010-12-08)
A simultaneous optimization strategy based on neuro-genetic approach is proposed for selection of operational parameters for the simultaneous determination of macronutrients (Ca, Mg and P), micronutrients (B, Cu, Fe, Mn ...
Aplicação das técnicas espectroscópicas e quimiométricas no estudo do controle de qualidade das drogas vegetais: embaúba, malva e ginseng brasileiro
(Universidade Federal de São Carlos, 2010-05-14)
In the last few years the phytotherapy has emerged as a drug form well accepted and accessible, causing the increase in demand for drugs based on plants throughout the world, becoming an attraction for the pharmaceutical ...
Estudo das propriedades eletroquímicas e magnéticas do polipirrol
(Universidade Federal de São Carlos, 2010-11-22)
In this work the electrochemical degradation of polypyrrole films was studied by means of an applied overpotential and the magnetic properties of polypyrrole pellets, when these were modified by the incorporation of metallic ...
Fracionamento de Ba, Cr, Cu, Ni e Zn em solos tratados com lodo de esgoto em experimentos de longa duração
(Universidade Federal de São Carlos, 2010-05-14)
As the agronomic importance of the provision of agricultural sewage sludge, and its growing concerning environmental point of view, in this work decomposition procedures of soil samples subjected to the addition of sewage ...
Nanotubos de carbono no desenvolvimento de sensores eletroquímicos
(Universidade Federal de São Carlos, 2010-08-27)
Carbon nanotubes (CNTs) have attracted great interest in electroanalysis. This material shows important properties as high charge transfer rate, high surface area and the presence of functional groups that make the sensors ...
Reações multicomponentes de Diels-Alder com parabenzoquinonas : intermediários para Sesquiterpenos Eudesmanos
(Universidade Federal de São Carlos, 2010-09-20)
In the first part of this thesis we describe the study of the oxidation of phenols to p-benzoquinones. The metal complexes used as catalysts in this study are: [CoII(salen)], [CoII(dmsalen)], [CoII(salpn)], [CoII(dmsalpn)], ...
Determinação da disponibilidade de Ca, Cu, Fe, Mg e Zn em amostras de carnes bovinas, suínas e de frango In natura e processadas termicamente
(Universidade Federal de São Carlos, 2010-07-30)
In this work, the availability of Ca, Cu, Fe, Mg, and Zn in bovine, pork and chicken meat samples raw and after thermal treatments: water boiled, grilled, microwave, convention oven I 180 oC (FCI) and conventional oven ...
Reações multicomponentes na preparação de compostos nitrogenados polifuncionalizados
(Universidade Federal de São Carlos, 2010-09-03)
This PhD thesis covered was devoted to the preparation of nitrogenated intermediates by multicomponent reactions (3-MCR) with potential application in the bioactive compound synthesis. The developed methodology consisted ...