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Determinação de resíduos de agrotóxicos em água empregando microextração líquido-líquido dispersiva (DLLME) e cromatografia líquida de alta eficiência com detecção por arranjo de diodos (HPLC-DAD)
(Universidade Federal de Santa Maria, 2017-07-10)
Water is a natural resource of extreme importance, humans, animals and plants depends directly on it to survive. The state of RS stands out in national scenario as a big producer of many crops, which demand huge amounts ...
Efeito da estrutura macromolecular na atividade catalítica de sistemas híbridos
(Universidade Federal de Santa Maria, 2017-12-04)
In this work the catalytic activity of hybrid structures, formed by metal nanoparticles (gold or palladium) stabilized by different polymers, was studied. A set of seven different polymers: PEO113-b-PDEA50, PDEA70, ...
Efeito do ânion sobre a força de interação cátion/ânion em líquidos iônicos dicatiônicos derivados do imidazol
(Universidade Federal de Santa Maria, 2017-12-04)
Estudo e otimização de tratamentos hidrolíticos para o aproveitamento de biomassas
(Universidade Federal de Santa Maria, 2017-07-07)
Biomasses of lignocellulosic matrix like as Rice Husk (RH) and microalgae (MA) are potential feedstocks for the production of fermentable monosaccharides and bioproducts. Thus, this research work had as main objective to ...
Avaliação de métodos para a determinação de arsênio, cádmio e chumbo em carvão por ICP OES
(Universidade Federal de Santa Maria, 2017-07)
Cinética de adsorção de derivados de hidrocarbonetos policíclicos aromáticos em EPU, PEAD, Amberlite XAD-2
(Universidade Federal de Santa Maria, 2017-07-07)
Polycyclic Aromatic Hydrocarbons (PAH) are organic molecules stable constituted by aromatic rings fused. The PAH, nitrogenous and oxygenates (Nitro-PHA and Oxy-PHA) composes this class of compounds where there is the ...
Avaliação de métodos cromatográficos empregando HPLC-FD e LC-MS/MS para determinação de resíduos de fluorquinolonas em alimentos de origem animal
(Universidade Federal de Santa Maria, 2017-07-10)
Agribusiness is a sector of high productivity in Brazilian industry. As to assure competitivity, it is very common the use of veterinarian drugs in this sector. But the wide usage of these compounds brings not only benefits, ...
Estudo das reações de 5-bromo-1,1,1-trifluor-4-metoxipent-3-en-2-ona com aminoácidos
(Universidade Federal de Santa Maria, 2017-07-07)
The present work describe the reactions using 5-bromo-1,1,1-trifluoro-4-metoxipent-3-en-2-ona, on its free and esterified form. Such reactions aim to have new compounds derive from 4-amino-5-bromo-1,1,1-trifluoro-4-metho ...
Síntese de 1-(selenobutil)-2-fenil-4H-selenofeno[2,3-c]cromenos via reação de ciclização mediada por sais de ferro
(Universidade Federal de Santa Maria, 2017-12-04)
This paper reports the study developed for the preparation of 1-(butylselanyl)-2-phenyl-4H-selenopheno[2,3-c]chromenes substituted by cyclization in intramolecular cascade of arylpropargyl ethers. Firstly, the study was ...