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Now showing items 41-50 of 87
Contaminantes emergentes: ocorrência e distribuição espaço-temporal no rio do Monjolinho e avaliação da remoção pela estação de tratamento de esgotos de São Carlos
(Universidade Federal de São Carlos, 2015-03-27)
This work aimed to investigate the occurrence of 12 emerging contaminants (pharmaceuticals, hormones and triclosan) in samples of influents and effluents, as well the removal in the sewage treatment plant (STP) of São ...
Titulações potenciométricas de cátions metálicos tendo como eletrodo indicador o sistema Cu/CuY2-
(Universidade Federal de São Carlos, 2007-07-27)
In this work a Cu/CuY2- indicator system was used to carry out potentiometric titrations of Cu2+, Co2+, Cd2+, Zn2+ and Mn2+ ions with EDTA solution. A copper wire with 8.32 cm2 of superficial area was used as an indicator ...
Fracionamento de zinco em amostras de leite
(Universidade Federal de São Carlos, 2009-02-26)
This work studies were aimed at samples preparation and chemical speciation levels zinc in samples of different kind
of milk (milk cattle, sheep, goat, and soybean milk base). The proposal aimed to establish the differences ...
Desenvolvimento de métodos eletroanalíticos para a determinação do diuron e ametrina e estudos de sorção em solos sob mata e cana-de-açúcar
(Universidade Federal de São Carlos, 2009-07-29)
It is vital to know the mechanisms and processes of interaction between pesticides and the environment and monitor the groundwater, surface water and soil in intensively used areas which such products for the evaluation ...
Transformações na matéria orgânica nos sedimentos e águas eutrofizados da Represa Ibirité (Ibirité-Sarzedo, MG) tratados com nitrato de cálcio em microcosmos
(Universidade Federal de São Carlos, 2010-11-19)
Due to the growing concern with the environment and the welfare of future generations the search for the restoration of degraded areas and the reestablishment of equilibrium between the anthropogenic and natural environments ...
Desenvolvimento de eletrodo modificado com filme de polianilina e estudo da viabilidade da aplicação analítica para catecolaminas
(Universidade Federal de São Carlos, 2010-08-13)
This work describes the development of a polyaniline (PANI) film modified electrode for determination of dopamine (DA) in pharmaceutical formulation. The electropolymerization of PANI film on platinum electrode was performed ...
Avaliação de parâmetros e produção de materiais de referência de suplemento mineral para nutrientes e contaminantes inorgânicos
(Universidade Federal de São Carlos, 2011-09-09)
This paper was prepared a material candidate for reference material for mineral mixture for dairy cattle. Shape certain analytes Ca, K, Na, P, Cu, Fe, Mn, Mg, Zn and contaminants As, Cd and Pb The material was crushed, ...
Desenvolvimento de eletrodos de carbono vítreo modificados com nanotubos de carbono para a determinação de analitos de interesse farmacêutico
(Universidade Federal de São Carlos, 2013-03-21)
In this work, the development of electroanalytical methods for the determination of methotrexate (MTX), propylthiouracil (PTU), propanolol (PROP) and verapamil (VPM) in pharmaceutical formulations is described. In these ...
Aplicação de imagens digitais e técnicas espectroanalíticas combinadas com quimiometria para detecção e quantificação de adulteração em leite bovino
(Universidade Federal de São Carlos, 2013-02-22)
Milk provides essential nutrients (carbohydrate, fat, protein, minerals and vitamins) of great nutritional relevance for humans, particularly during childhood. Nowadays, the occurrence of milk adulteration is a major issue ...
Desenvolvimento de analisadores automáticos em fluxo para o monitoramento de analitos de interesse farmacêutico utilizando microdispositivo LTCC e um minifotômetro Labmade
(Universidade Federal de São Carlos, 2011-07-14)
The objective of this study was to develop automatic flow analyzers for the determination of pharmaceutical analytes using a micro-device based on LTCC (Low Temperature Co-fired Ceramics) and a mini-photometer as the ...