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Determinação de flúor em sementes de plantas leguminosas e oleaginosas após combustão iniciada por micro-ondas em frascos descartáveis
(Universidade Federal de Santa Maria, 2023-03-10)
In this work, the use of microwave-induced combustion in disposable vessels (MIC-DV) for fluoride determination in leguminous seeds and oilseeds (almond, peanut, hazelnut, Brazil nut, pecan nut, pea, pinto bean, chickpea, ...
Avaliação de métodos de preparo de amostras para a determinação de elementos terras-raras em insetos comestíveis por USN-ICP-MS
(Universidade Federal de Santa Maria, 2023-08-11)
In this work, three sample preparation methods were evaluated for the subsequent
determination of rare earth elements (REE) in insects using inductively coupled plasma mass
spectrometry (ICP-MS). To avoid possible ...
Determinação de resíduos de agrotóxicos em feijão preto empregando método QuEChERS e UHPLC-MS/MS
(Universidade Federal de Santa Maria, 2023-06-09)
Brazil is the third largest producer of black beans (Phaseolus vulgaris L.) in the world,
with 60% of its population consuming this legume. During bean cultivation, pesticides
can be used at any stage of development and ...
Emprego da microextração líquido-líquido dispersiva para extração de ferro em cerveja e determinação por espectrometria de absorção atômica com chama
(Universidade Federal de Santa Maria, 2023-03-09)
In this work, a sample preparation method based on dispersive liquid-liquid microextraction (DLLME) for the extraction and preconcentration of Fe in beer and subsequent determination by flame atomic absorption spectrometry ...