Systematic approach to the separation of hydroxy and mono-carboxylic acids in environmental samples by ion chromatography and capillary electrophoresis - Souza, S R; Tavares, Marina Franco Maggi; Carvalho, Lilian Rothschild Franco de (Annual Latin-American Symposium on Biomedical, Biopharmaceutical and Indurial Applications of Capillary Electrophoresis, 1996)