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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 ...