Simultaneous analysis of aspartame, cyclamate, saccharin and acesulfame-K by CZE under UV detection - Fernandes, Vivian Nazareth Oliveira; Fernandes, Leandro Bellozi; Vasconcellos, Juliana Pereira; Jager, Alessandra Vincenzi; Tonin, Fernando Gustavo; Oliveira, Marcone Augusto Leal de (Analytical Methods, 2013)