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Simultaneous determination of iron and copper by third-derivative solid-phase spectrophotometry
(MARCEL DEKKER INC, 2002)
Simultaneous determination of iron and ruthenium by preconcentration on sulfopropyl sephadex cation exchanger
(ELSEVIER SCIENCE BV, 2002-12)
Arsenic speciation in environmental samples of a mining impacted sector of central Chile
(SOCIEDAD CHILENA DE QUIMICA, 2004-12)
Simultaneous determination of parathion and p-nitrophenol in vegetable tissues by derivative spectrophotometry
(KLUWER ACADEMIC PUBL, 2002-06)