SOHRABI, M.R.; PASDAR, H.; ROUDBARAKI, S.H.; GHAJAR, S. Optimization Solid Phase Extraction of Copper(II) Using Modified Nanoporous Silica Prior to Determination by Flame Atomic Absorption Spectrometry by Taguchi Technique. Asian Journal of Chemistry, [S. l.], v. 25, n. 6, p. 3418–3420, 2013. DOI: 10.14233/ajchem.2013.13899. Disponível em: https://asianpubs.org/index.php/ajchem/article/view/25_6_111. Acesso em: 23 nov. 2024.