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Simultaneous determination of iron and ruthenium by preconcentration on sulfopropyl sephadex cation exchanger
(ELSEVIER SCIENCE BV, 2002-12)
Subcritical water extraction and determination of nifedipine in pharmaceutical formulations
(AOAC INTERNATIONAL, 2006-04)
Spectral study and simultaneous determination of sulfamethoxazole and trimethoprim by digital derivative spectrophotometry
(SOCIEDAD CHILENA DE QUIMICA, 2002-09)
Anodic stripping voltammetric determination of mercury in water by using a new electrochemical flow through cell
(WILEY-V C H VERLAG GMBH, 2002-10)
Current levels of dioxins in surface soils from Santiago, Chile
(SPRINGER, 2004-09)