Browsing by Author "Ahumada Torres, Aída Inés de Lourdes"
Now showing items 21-23 of 23
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Jachero, Lourdes; Ahumada Torres, Aída Inés de Lourdes; Richter Duk, Pablo (Springer-Verlag, 2014)The extraction device used in rotating-disk sorptive extraction consists of a Teflon disk in which a sorptive phase is fixed on one of its surfaces. Depending on the configuration, the rotation axis of the disk device ...
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Ahumada Torres, Aída Inés de Lourdes; Mendoza, Jorge; Navarrete, E.; Ascar Estay, María Loreto (MARCEL DEKKER INC, 1999-05)Different chemical forms of cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), lead (Pb), nickel (Ni), and zinc (Zn) were determined in agricultural soils cultivated with lettuce and celery. These soils have been ...
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Ahumada Torres, Aída Inés de Lourdes; Escudero, Paula; Carrasco Rimassa, María Adriana; Castillo, Gabriela; Ascar Estay, María Loreto; Fuentes Pérez, Edwar (ROYAL SOC CHEMISTRY, 2004)In Chile, the increasing number of plants for the treatment of wastewater has brought about an increase in the generation of sludge. One way of sludge disposal is its application on land; this, however involves some problems, ...