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Flow injection method for preconcentration and polarographic determination of copper in water
(WILEY-V C H VERLAG GMBH, 2000-03)
Extractability of arsenic, copper, and lead in soils of a mining and agricultural zone in central Chile
(MARCEL DEKKER INC, 2004-06)
Simultaneous determination of parathion and p-nitrophenol in vegetable tissues by derivative spectrophotometry
(KLUWER ACADEMIC PUBL, 2002-06)
Total element concentration and chemical fractionation in airborne particulate matter from Santiago, Chile
(PERGAMON-ELSEVIER SCIENCE LTD, 2007-10)
Simultaneous determination of dapsone and pyrimethamine by derivative spectrophotometry in pharmaceutical formulations
(AOAC INTERNATIONAL, 2003-03)