ROJAS, F. Sanchez; OJEDA, C. Bosch; PAVON, J.M. Cano. SIMULTANEOUS SEPARATION/PRECONCENTRATION OF NICKEL AND COBALT BY DISPERSIVE LIQUID-LIQUID MICROEXTRACTION PRIOR TO DETERMINATION BY FAAS. European Scientific Journal, ESJ, [S. l.], v. 9, n. 12, 2013. DOI: 10.19044/esj.2013.v9n12p%p. Disponível em: https://test.eujournal.org/index.php/esj/article/view/992. Acesso em: 19 apr. 2025.