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Validação de métodos multirresíduos de extração e desenvolvimento de método de purificação por GPC para análise de resíduos de pesticidas em soja utilizandoGC-MS, GC-MS/MS e LC-MS/MS
(Universidade Federal de Santa Maria, 2006-03-01)
Due to the complexity of the soybean matrix and the very low pesticide concentrations expected for these samples, it is really necessary to develop efficient and reliable analytical methods to identify and quantify their ...
Decomposição de elastômeros por combustão iniciada por microondas em sistema fechado
(Universidade Federal de Santa Maria, 2006-07-28)
A rapid digestion procedure for further determination of inorganic elements in carbon black-containing elastomers has been developed using sample combustion in closed quartz vessels with oxygen pressure. Microwave radiation ...
Investigação sobre a formação de espécies de arsênio orgânico em soluções de nutrição parenteral
(Universidade Federal de Santa Maria, 2006-06-21)
Parenteral nutrition is the nutrients administration by intravenous mean in patients who cannot consume them for gastrointestinal way. Parenteral Nutrition Solutions are stored in glass and plastic containers, being the ...
Síntese e cristaloquímica de complexos de Hg(II) e Ni(II) com o ligante 3-(2-fluorofenil)-1-(4-acetilfenil)triazenido e atividade biológica de triazenos livres
(Universidade Federal de Santa Maria, 2006-07-26)
In this dissertation were synthesized six compounds, of the which four are free triazene ligands and two
are triazenido complex of Hg(II) and Ni(II). The compouns were characterized by melting point, infrared an
UV/VIS ...
Análise estrutural de polímeros bidimensionais de fosfinatos de metais alcalinos e alcalinos terrosos
(Universidade Federal de Santa Maria, 2006-03-03)
In this work, the structures of three alkali and alkali-earth metal complexes of
phenylphosphinate ligands and ethylphosphinate ligands, (4) catena-poli-
[Ba(O2PHPh)2(OH2)], (5) catena-poli-[Na(O2PHPh)] e (6) ...
Antimicrobial ciprofloxacina em efluente hospitalar: exposição ambiental, avaliação de risco e degradação através de processos avançados de oxidação
(Universidade Federal de Santa Maria, 2006-09-01)
In the present study, the presence of the antimicrobial ciprofloxacin (CIP) in effluent from the first-aid clinic of the University Hospital of Santa Maria (PA-HUSM) and its degradation by advanced oxidation processes ...
Determinação de espécies de arsênio, antimônio e chumbo em antimoniato de meglumina por espectrometria de absorção atômica após extração em fase sólida
(Universidade Federal de Santa Maria, 2006-12-01)
In this study, two flow systems with a solid phase extraction were developed for the determination of Sb(III), Pb(II) As(V) and total As by atomic absorption spectrometry in sample of meglumine antimonate, which is the ...
Pirazolo[1,5-a]pirimidinas: síntese e bromação
(Universidade Federal de Santa Maria, 2006-01-27)
The synthesis of a series of 2-methyl-7-trichloromethylpyrazolo[1,5-a]pyrimidines from the cyclocondensation reaction of 3-amino-5-methylpyrazole with 1,1,1-trichloro-4- alkoxyalk-3-en-2-ones [CCl3C(O)CH=C(R1)OR where R1 ...
Estudo da interação entre as vitaminas lipossolúveis com cádmio e chumbo por ASV em meio orgânico
(Universidade Federal de Santa Maria, 2006-09-15)
In this work two voltammetric methods were investigated to study the interaction between metals, Cd and Pb, and fat-soluble vitamins (retinol palmitate VA; cholecalciferol VD; α-tocopherol acetate VE; filloquinona - ...
Estudo fitoquímico e da atividade antimicrobiana de Waltheria douradinha Saint Hilaire
(Universidade Federal de Santa Maria, 2006-07-31)
Native species of the flora from South Brazil are the aim of the research of the Núcleo de Pesquisa de Produtos Naturais of Federal University of Santa Maria, Brazil. One of the most studied families is the Sterculiaceae ...