Influence of the synthesis conditions on the characteristics and metal adsorption properties of the 3-(1,4-phenylenediamine)propylsilica xerogel
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Keywords

sol-gel
hybrid powders
pore distribution
morphology
metal adsorbent

How to Cite

Vaghetti, J. C. P., Brasil, J. de L., Costa, T. M. H., Lima, Éder C., & Benvenutti, E. V. (2005). Influence of the synthesis conditions on the characteristics and metal adsorption properties of the 3-(1,4-phenylenediamine)propylsilica xerogel. Eclética Química, 30(4), 43–49. https://doi.org/10.26850/1678-4618eqj.v30.4.2005.p43-49

Abstract

The hybrid 3-(1,4-phenylenediamine)propylsilica xerogel was obtained starting from two different
organic precursor quantity (5 and 8 mmol) to 22 mmol of TEOS, in the synthesis. The xerogel samples were
characterized by using CHN elemental analysis, N 2 adsorption-desorption isotherms, infrared thermal
analysis. The xerogel was used as metal sorbent for Cu 2+ , Cd 2+ and Pb 2+ in aqueous solution with
concentration range of 10 -3 to 10 -5 mmol l -1 . The quantity of organic precursor added in the synthesis
influences the characteristics of the xerogel as morphology and thermal stability, as well as the metal
adsorption capacity.
https://doi.org/10.26850/1678-4618eqj.v30.4.2005.p43-49
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