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Mostrando ítems 11-20 de 2196
Desenvolvimento de procedimentos para a determinação de enxofre em diesel, biodiesel e óleo lubrificante usando ICP OES e ICP-MS
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Química - PPGQ, 2014-02-19)
Since 1990 concerns about environmental and public health have stimulated the restrictions of maximum sulfur content in fuels allowed by legislation, especially in diesel and biodiesel, by several governmental agencies. ...
Análise de Resíduo de Disparo de Armas de Fogo Utilizando ICP-MS: Caracterização de Munições Limpas.
(Universidade Federal do Espírito SantoBRPrograma de Pós-Graduação em QuímicaUFESMestrado em Química, 2016-09-29)
Rapid sample preparation procedure for As speciation in food samples by LC-ICP-MS
(TAYLOR & FRANCIS LTDABINGDON, 2012)
This paper describes a rapid method for arsenic (As) speciation by LC-ICP-MS in several types of food samples. Prior to analysis, samples were milled and the As species extracted from biological tissues by sonication in ...
Avaliação da calibração em LA-ICP-MS usando hidroxiapatita para análise de polivitaminícos
(Universidade Federal de Santa MariaBrasilUFSMCentro de Ciências Naturais e Exatas, 2021-02-11)
In this work, a calibration procedure was investigated to determine Mn, Sr, Cd, Ba, Li, Al, Cr, Co, Ni, Cu, Zn, Mg, Fe, Fe, and Ca in multivitamins by laser ablation combined mass spectrometry with inductively coupled ...
Determination of trace element concentrations in tomato samples at different stages of maturation by ICP OES and ICP-MS following microwave-assisted digestion
(2013)
The concentrations of 15 elements (Al, Ba, Cd, Co, Cr, Cu, Fe, Hg, Mn, Ni, Se, Sn, Sr, V and Zn) were determined in three tomato species (Khaki, Cherry and Italy) at different stages of maturation by ICP OES and ICP-MS ...