Páscoa, Ricardo N. M. J.Tóth, Ildikó V.Rangel, António O. S. S.2011-10-242011-10-242007PÁSCOA, Ricardo N. M. J. ; TÓTH, Ildikó V. ; RANGEL, António O. S. S. - A double-line sequential injection system using a long path length liquid waveguide capillary flow cell for the spectrophotometric iron determination in waters. In International Symposium on Analytical Methodology in Environmental Field, 9, - ISAMEF IX, Pollensa, Mallorca, Spain, 3-5 October, 2007 - Proceedings from the IX International Symposium on Analytical Methodology in the Environmental Field. [Pollensa, Mallorca : Sociedad Española de Química Analítica, 2007]. p. 289-291http://hdl.handle.net/10400.14/7098engA double-line sequential injection system using a long path length liquid waveguide capillary flow cell for the spectrophotometric iron determination in watersjournal article