caa a22 4500 463193407 CHVBK 20180406164915.0 cr unu---uuuuu 170326e20070101xx s 000 0 eng 10.1007/s10973-005-7432-y doi (NATIONALLICENCE)springer-10.1007/s10973-005-7432-y Thermo-programmedreduction study of Pt/WOx-ZrO2materials by thermogravimetry [Elektronische Daten] [A. Garrido Pedrosa, M. Souza, D. Melo, A. Araujo] The thermo-programmed reduction study of Pt/WOx-ZrO2 materials prepared with different tungsten loading were performed by thermogravimetry. The samples were synthesized by impregnation method and calcined at 600, 700 and 800°C. The characterizations of both un-calcined and calcined materials were carried out using different techniques: thermal analysis (TG and DTA), X-ray diffraction (XRD) and thermo-programmed reduction (TPR). TG and DTA analysis of un-calcined were used to determination of calcination temperatures of the samples. XRD diffractograms were useful to help us in the determination of phase presents. TPR profiles showed between three and four events at different temperatures attributed to platinum reduction and the different stages of tungsten specie reduction. Springer-Verlag, 2006 TG and DTA analysis nationallicence thermo-programmed reduction nationallicence Pt/WOx-ZrO2 materials nationallicence Garrido Pedrosa A. Department of Chemistry, Federal University of Rio Grande do Norte, CP 1692, 59078-970, Natal-RN, Brazil aut Souza M. Department of Chemical Engineering, Federal University of Sergipe, 49100-000, São Cristovão-SE, Brazil aut Melo D. Department of Chemistry, Federal University of Rio Grande do Norte, CP 1692, 59078-970, Natal-RN, Brazil aut Araujo A. Department of Chemistry, Federal University of Rio Grande do Norte, CP 1692, 59078-970, Natal-RN, Brazil aut Journal of Thermal Analysis and Calorimetry Springer Netherlands 87/2(2007-01-01), 351-355 1388-6150 87:2<351 2007 87 10973 https://doi.org/10.1007/s10973-005-7432-y text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10973-005-7432-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Garrido Pedrosa A. Department of Chemistry, Federal University of Rio Grande do Norte, CP 1692, 59078-970, Natal-RN, Brazil aut NATIONALLICENCE 700 1- Souza M. Department of Chemical Engineering, Federal University of Sergipe, 49100-000, São Cristovão-SE, Brazil aut NATIONALLICENCE 700 1- Melo D. Department of Chemistry, Federal University of Rio Grande do Norte, CP 1692, 59078-970, Natal-RN, Brazil aut NATIONALLICENCE 700 1- Araujo A. Department of Chemistry, Federal University of Rio Grande do Norte, CP 1692, 59078-970, Natal-RN, Brazil aut NATIONALLICENCE 773 0- Journal of Thermal Analysis and Calorimetry Springer Netherlands 87/2(2007-01-01), 351-355 1388-6150 87:2<351 2007 87 10973 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer