Lílian Cristina Trevizan

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The aim of this work was to evaluate the performance of femtosecond laser-induced breakdown spectroscopy (fs-LIBS) for the determination of elements in animal tissues. Sample pellets were prepared from certified reference materials, such as liver, kidney, muscle, hepatopancreas, and oyster, after cryogenic grinding assisted homogenization. Individual(More)
Geralmente aceita-se que espectrômetros de emissão óptica com plasma acoplado indutivamente (ICP OES) com configuração axial apresentam efeitos de matriz mais severos quando comparados aos equipamentos com configuração radial, embora gerem menores limites de detecção. Entretanto, o desenvolvimento de detectores de estado sólido associado ao arranjo óptico(More)
An acid vapor partial digestion procedure for bovine liver is proposed using a focused microwave oven and a laboratory-made PTFE support. The support is equipped with three cups of approximately 4 ml volume each one and the cups were adapted to the glass reaction vessel of the microwave oven. A mixture containing HNO(3) plus H(2)SO(4) is heated to 120(More)
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