Listar por tema "ICP OES"
Mostrando ítems 1-9 de 9
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Desenvolvimento de métodos analíticos para determinação de constituintes inorgânicos em solventes industriais
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação de Mestrado Profissional em Química - PPGQ, Câmpus São Carlos, 21/09/2023)Controlling the content of inorganic constituents in solvents from industrial processes is necessary to monitor the process and meet the final product forecast. In this way, the calcination and digestion procedure assisted ... -
Determinação de elementos potencialmente tóxicos em amostras de ovos e carapaças de tartarugas visando monitoramento ambiental
(Universidade Federal de São Carlos, UFSCar, , Câmpus São Carlos, 01/09/2023)The development of society as we know it today requires investment in the exploitation of natural resources. A large part of Brazilian and international industry is dependent on raw materials such as iron, the most widely ... -
Valores de referencia de elementos inorgânicos potencialmente tóxicos em solos do Estado de São Paulo
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Agricultura e Ambiente - PPGAA-Ar, Câmpus Araras, 08/07/2015)The use of guiding values has been the practice in countries with tradition in monitoring the quality of natural resources. The first step of a pollution monitoring program is to establish the natural concentrations of ... -
Produção e avaliação de materiais de referência para nutrientes e contaminantes inorgânicos em amostras agronômicas
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 29/01/2016)The intensive search for the reliability of results increases the role of reference materials, mainly in analytical chemistry, because they provide metrological references to ensure traceability of measurements and are ... -
Diferentes estratégias espectroanalíticas para a determinação de metais em cosméticos
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 22/10/2015)In this work, it was developed a procedure for the determination of metals in cosmetics, employing the techniques ICP OES, GF AAS, LIBS and LA-ICP OES; in addition, it was explored the potential of chemometric tools. ... -
Fracionamento de Ba, Cr, Cu, Ni e Zn em solos tratados com lodo de esgoto em experimentos de longa duração
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 14/05/2010)As the agronomic importance of the provision of agricultural sewage sludge, and its growing concerning environmental point of view, in this work decomposition procedures of soil samples subjected to the addition of sewage ... -
Emprego de estratégias quimiométricas para a diferenciação de alimentos de acordo com as formas de produção.
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, , 14/11/2006)The application of pattern recognition techniques such as principal component analysis and cluster analysis was evaluated for classification of foods according to their production mode (industrial or homemade and organically ... -
Desenvolvimento de procedimentos de preparo de amostras usando sistemas em fluxo
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 22/03/2017)Sample preparation using flow and flow-batch systems were here studied. Initially, it was evaluated a microwave-assisted flow digestion system operated under high pressure and high temperature for sample preparation of ... -
Evaluation of the composition of electronic waste hard disk using spectroanalytical techniques: proposition of fast and simple methods
(Universidade Federal de São Carlos, UFSCar, Programa de Pós-Graduação em Química - PPGQ, Câmpus São Carlos, 17/12/2020)The electronic waste is a worldwide problem of great magnitude with 53.6 Mt of waste generated in 2019. Unfortunately, the recycling rate is still very low. It is estimated that only 2% of the electronic waste is recycled ...