Capillary electrophoresis determination of formaldehyde in air employing a derivatization procedure, porous polypropylene capillaries, and oscillometric detection - Rocha, F. R.; Silva, J. A. F.; Gutz, Ivano Gebhardt Rolf; Lago, Claudimir Lucio do (Latin-American Symposium on Biotechnology, Biomedical, Biopharmaceutical and Indurial Applications of Capillary Electrophoresis and Microchip Technology, 2000)