Evaluation of calcium alginate beads for Ce, La and Nd preconcentration from groundwater prior to ICP OES analysis - Carvalho, Gabriel G. Arantes de; Kondaveeti, Stalin; Petri, Denise Freitas Siqueira; Fioroto, Alexandre Minami; Albuquerque, Luiza G. R; Oliveira, Pedro Vitoriano de (Talanta, 2016)