Buscar
Mostrando ítems 31-40 de 323
Structure of magnetic poly(oxyethylene)-siloxane nanohybrids doped with Fe-II and Fe-III
(Blackwell Munksgaard, 2003-08-01)
Hybrid organic - inorganic nanocomposites doped with Fe-II and Fe-III ions and exhibiting interesting magnetic properties have been obtained by the sol - gel process. The hybrid matrix of these ormosils ( organically ...
Structure of magnetic poly(oxyethylene)-siloxane nanohybrids doped with Fe-II and Fe-III
(Blackwell Munksgaard, 2003-08-01)
Hybrid organic - inorganic nanocomposites doped with Fe-II and Fe-III ions and exhibiting interesting magnetic properties have been obtained by the sol - gel process. The hybrid matrix of these ormosils ( organically ...
Estudio de la separación y concentración de elementos lantánidos livianos, lantano, cerio, praseodimio, neodimio y samario mediante metodologías alternativas: membranas líquidas y nanopartículas magnéticas funcionalizadasstudy of the separation and concentration of lighter lantanide elements, lanthanum, cerium, praseodymium, neodymium, and samarium through alternative methodologies: liquid membranes and functionalized magnetic nanoparticles
(2019)
Esta Tesis doctoral tiene como objetivo principal sintetizar, caracterizar y aplicar metodologías alternativas de tipo sistema disperso, para la separación de elementos lantánidos livianos, desde soluciones acuosas diluidas. ...
Estudio de la separación y concentración de elementos lantánidos livianos, lantano, cerio, praseodimio, neodimio y samario mediante metodologías alternativas: membranas líquidas y nanopartículas magnéticas funcionalizadas
(Universidad de Chile, 2019)
Esta Tesis doctoral tiene como objetivo principal sintetizar, caracterizar y aplicar metodologías alternativas de tipo sistema disperso, para la separación de elementos lantánidos livianos, desde soluciones acuosas diluidas. ...
Automatic spectrophotometric determination of copper in plant material, soil, and fertilizer mixtures by a kinetic method
(Marcel Dekker IncNew YorkEUA, 1999)
Degradation of hexacyanoferrate (III) ion by the coupling of the ultraviolet light and the activation of persulfate at basic pH
(Corporación Universidad de la Costa, 2021)
Determination of metal ions in fuel ethanol after preconcentration on 5-amino-1,3,4-thiadiazole-2-thiol modified silica gel
(1998-12-01)
This work describes the synthesis and characterization of 5-amino-1,3,4-thiadiazole-2-thiol modified silica gel (SiATT), and the results of a study of the adsorption and preconcentration (in batch, and in flow using a ...