Selenium determination in tissue samples of Nile tilapia using ultrasound-assisted extraction

by Silva Fábio, Padilha Cilene, Castro Gustavo, Roldan Paulo, Araujo Nogueira Ana, Moraes Paula, Padilha Pedro
Published 2011-02-01

Determination of Cu, Ni and Pb in aqueous medium by FAAS after pre-concentration on 2-aminothiazole modified silica gel

by Alcântara Ilton Luiz de, Roldan Paulo dos Santos, Margionte Maurício A. L., Castro Gustavo R., Padilha Cilene C. F., Florentino Ariovaldo de Oliveira, Padilha Pedro de Magalhães
Published 2004-01-01