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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 ...
Desenvolvimento de procedimentos eletroanalíticos para a determinação de antioxidantes e corantes em produtos alimentícios empregando um eletrodo de diamante dopado com boro
(Universidade Federal de São Carlos, 2011-04-29)
The following topics were investigated in this thesis: a) the electrochemical response of a boron-doped diamond electrode, after different electrochemical pretreatments, for two antioxidants (butylated hydroxyanisole BHA ...
Desenvolvimento de eletrodos modificados com Poli-1-aminonaftaleno e Poli-1,5-diaminonaftaleno e aplicação na determinação de analitos de interesse farmacêutico
(Universidade Federal de São Carlos, 2010-11-18)
The aim of this work was to study the electrochemical response of the electrode modified with poly-1-aminonaphthalene (1-PAN) and poly-1 ,5- diaminonaphthalene (1,5-PDAN) for dopamine (DA), noradrenaline (NA) adrenaline ...
Avaliação da espectrometria de emissão óptica com plasma induzido por laser (LIBS) para a determinação de Ba, Cd, Cr e Pb em brinquedos
(Universidade Federal de São Carlos, 2010-11-17)
LIBS is a spectroanalytical technique that employs the microsampling by laser ablation and subsequent exitations for atoms, ions and molecular fragments presents in induced microplasm.This technique was evaluated for ...
Desenvolvimento de genossensores utilizando microbalança de cristal de quartzo e técnicas eletroquímicas
(Universidade Federal de São Carlos, 2011-02-18)
The proliferation of toxic algae in different oceans leads to great economic losses and environmental damage the mortality of marine animals such as mollusks and fish due to neurotoxins that they release into the environment. ...
Teores dos elementos químicos essenciais e tóxicos na rastreabilidade da carne bovina
(Universidade Federal de São Carlos, 2012-02-15)
The objective of this work was to develop methodologies for the determination of inorganic constituents in meat sample and the study of correlations between samples with chemical elements profile, especially Nelore samples ...
Avaliação de polímeros impressos para pré- concentração/extração de Se, U e Cd
(Universidade Federal de São Carlos, 2015-06-18)
This thesis describes the development of imprinted polymers for preconcentration of Se, Cd and U. The relevant factors to the FIA system and preconcentration were optimized by Doehlert matrix. Chapter I describes an ...
Uso de técnicas espectroanalíticas na avaliação de amostras de placas de circuito impresso de lixo eletrônico
(Universidade Federal de São Carlos, 2015-11-26)
The increase in the consumer electronics equipment, especially, the cell has aroused the academia and society in general interest. Such equipment when obsolete became part of the so-called junk mail. Among the components ...
Recuperação de reservatórios eutrofizados por atividades antrópicas : estudos em microcosmos
(Universidade Federal de São Carlos, 2016-05-25)
The economic development of a country depends on good quality of water
available, so the conservation and restoration of water bodies are strategic
conditions for this to happen. However, water resources have become ...
Desenvolvimento de procedimento analítico para determinação fotométrica de mercúrio em sedimentos e águas doces empregando os processos fluxo-batelada e multicomutação em fluxo
(Universidade Federal de São Carlos, 2019-09-19)
DEVELOPMENT OF AN ANALYTICAL PROCEDURE FOR PHOTOMETRIC DETERMINATION OF MERCURY IN SEDIMENT AND DRINKING WATER EMPLOYING THE FLOW-BATCH AND FLOW MULTICOMMUTATION PROCESSES: This work deals with a multicommuted flow-batch ...