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Determinação simultânea de ácido clavulânico e amoxicilina em formulações farmacêuticas utilizando técnicas de reflexão no infravermelho médio e métodos de regressão multivariados
(Universidade Federal de Santa Maria, 2009-08-14)
Clavulanic acid (AC) and amoxicillin (AMO) drugs are used in association and they are commercialized in Brazil as antibiotic agent. The simultaneous determination of
these drugs is, usually, carried out by high performance ...
Reatores de discos rotativos e tubular helicoidal na degradação fotocatalítica de diclofenaco e carga orgânica de efluente hospitalar
(Universidade Federal de Santa Maria, 2009-07-28)
In this study, the advanced oxidation process heterogeneous photocatalysis were used for the degradation of diclofenac and decrease of the organic load in the effluent from the emergency sector (PA) of the University ...
Síntese e caracterização de β-dicetonas 4,4,4-tricloro-1-aril-1,3-butanodionas e seus respectivos β-dicetonatos de cobre e ferro
(Universidade Federal de Santa Maria, 2009-07-31)
The present dissertation describe, initially, the synthesis of a new series of 4,4,4-trichloro-1-aryl-1,3-butanediones (3a-l) [Cl3CCOCHRCOR1], where R=H, CH3 and R1 = Ph, 4-CH3Ph, 3-OCH3Ph, 4-OCH3Ph, 4-FPh, 4-ClPh, 4-
BrPh, ...
Comparação entre os métodos de extração quechers e miniluke modificados na extração de resíduos de pesticidas piretróides em tomate empregando GC×GC-μECD
(Universidade Federal de Santa Maria, 2009-08-29)
In this study, two methods frequently used in the extraction of residues of pesticides in fruits and vegetables, the QuEChERS method and the mini-Luke
method, were compared in order to optimize and validate these methods ...
Desenvolvimento de equipamento de eletroforese capilar com detecção por condutividade sem contato para a separação de íons inorgânicos
(Universidade Federal de Santa Maria, 2009-03-16)
This work describes the development and evaluation of a home-made capillary electrophoresis (CE) system based on the capacitively coupled contactless conductivity
detection (C4D) for the application in capillary ...
Desenvolvimento de métodos eletroforéticos e cromatográficos para a determinação de benzodiazepínicos como adulterantes em formulações fitoterápicas para emagrecimento
(Universidade Federal de Santa Maria, 2009-07-03)
The adulteration of phytotherapic formulations has been increasing considerably in the recent years in several countries, by the fact that there is not an
established efficient monitoring for the control of the manipulation ...
Estudo de propriedades estruturais, eletrônicas e magnéticas de clusters de Rh13, Pd13 E Pt13
(Universidade Federal de Santa Maria, 2009-08-11)
This work shows a theoretical study of Rh13, Pd13, and Pt13 clusters, using first principles methods. We sought to understand aspects of stability and magnetic moment for these systems. The employed methodology was tested ...
Especiação de mercúrio em cogumelos por LC-CVG-ICP-MS: avaliação de procedimentos de extração
(Universidade Federal de Santa Maria, 2009-07-31)
In this work, different sample preparation procedures for determining inorganic (in Hg2+ form) and organic mercury (in methylmercury form CH3Hg+) in edible mushrooms were evaluated. Conventional, microwave (MW) and ...
Classificação espectral e determinação de distância de estrelas em dez regiões HII do hemisfério sul
(Universidade Federal de Santa Maria, 2009-03-11)
In order to determine distances of Southern Galactic HII regions, we carried out spectroscopic and photometric observations of the stellar content of a set of these objects. We have chosen objects only visible in the South ...
Agroecologia e transformações no espaço rural: o caso do assentamento Conquista da Liberdade, Piratini, RS
(Universidade Federal de Santa Maria, 2009-12-15)
This work deals with the agrarian issue in Brazil bringing as a main point a collective organization of an agrarian reform settlement, which consists in a project that seems to be viable to constitute a social and agricultural ...