Antônio A. S. Alfaya

Highly Dispersed Phosphate Supported in a Binary Silica−Titania Matrix:  Preparation and Characterization

Antônio A. S. Alfaya, Yoshitaka Gushikem, Sandra C. de Castro · Chemistry of Materials · 1998 · 54 citations

Sio2/tio2 Matrix, Engineering, Nanoporous Material +16

Copper (II) adsorbed on SiO2/SnO2 obtained by the sol–gel processing method: application as electrochemical sensor for ascorbic acid

Lincoln A. Kurihara, Sérgio Toshio Fujiwara, Rení V. S. Alfaya et al. · Journal of Colloid and Interface Science · 2004 · 31 citations

Materials Science, Ascorbic Acid, Chemical Engineering +10

Silica–zirconia–phosphate composites: a study of their synthesis, proton exchange capacity and ammonia gas adsorption

Antônio A. S. Alfaya, Yoshitaka Gushikem, Sandra C. de Castro · Microporous and Mesoporous Materials · 2000 · 28 citations

Materials Science, Inorganic Chemistry, Chemical Engineering +7

Ammonium ion sensor based on SiO2/ZrO2/phosphate-NH4+ composite for quantification of ammonium ions in natural waters

Cláudia F. B. Coutinho, Alfredo A. Muxel, Crystian Gonçalves Rocha et al. · Journal of the Brazilian Chemical Society · 2007 · 24 citations · Full text

Environmental Electrochemistry, Environmental Monitoring, Engineering +19

The Preparation and Application of Silica–Zirconia Xerogel as Potentiometric Sensor for Chromium(VI)

Antônio A. S. Alfaya, Yoshitaka Gushikem · Journal of Colloid and Interface Science · 1999 · 19 citations

Materials Science, Engineering, Silica–zirconia Xerogel +5