A water soluble 3-n-propyl-1-azonia-4-azabicyclo[2.2.2]octanechloride silsesquioxane grafted onto Al/SiO2 surface. Chromium adsorption study
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Keywords

dabco
sol-gel
chromium (VI)

How to Cite

Arenas, L. T., Simon, N. M., Gushikem, Y., Costa, T. M. H., Lima, E. C., & Benvenutti, E. V. (2006). A water soluble 3-n-propyl-1-azonia-4-azabicyclo[2.2.2]octanechloride silsesquioxane grafted onto Al/SiO2 surface. Chromium adsorption study. Eclética Química, 31(2), 53–58. https://doi.org/10.26850/1678-4618eqj.v31.2.2006.p53-58

Abstract

The water soluble material, 3-n-propyl-1-azonia-4-azabicyclo[2.2.2]octanechloride
silsesquioxane (dabcosil silsesquioxane) was obtained. The dabcosil silsesquioxane was grafted onto a
silica surface, previously modified with aluminum oxide. The resulting solid, dabcosil-Al/SiO 2 , pres-
ents 0.15 mmol of dabco groups per gram of material. The product of the grafting reaction was ana-
lyzed by infrared spectroscopy and N 2 adsorption-desorption isotherms. The dabcosil-Al/SiO 2 materi-
al was used as sorbent for chromium (VI) adsorption in aqueous solution.
https://doi.org/10.26850/1678-4618eqj.v31.2.2006.p53-58
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