Sequential injection analysis hyphenated to capillary electrophoresis for selenium speciation and detection by inductively coupled plasma mass spectrometry (SIA-CE-ICP-MS) - Jesus, J P; Giné-Rosias, Maria Fernanda Georgina; Suarez, C A; Zagatto, Elias Ayres Guidetti; Sarkis, J E S (Rio Symposium on Atomic Spectrometry, 10, 2008)