Now showing items 1-20 of 28

  • "Asiatic" copper in New Kingdom Egypt 

    Giménez Izquierdo, Francisco Javier (2015)
    Article
    Open Access
    This work presents a combination of Lead Isotope Analysis ( LIA ) and ancient Egyptian texts and depictions in order to describe the history of the ox -hide copper ingots presence in Egypt , which w ere called by the ...
  • Determination of the equilibrium formation constants of two U(VI)-peroxide complexes at alkaline pH 

    Meca, S.; Martínez Torrents, Albert; Martí Gregorio, Vicenç; Giménez Izquierdo, Francisco Javier; Casas Pons, Ignasi; Pablo Ribas, Joan de (2011)
    Article
    Open Access
    The formation of uranyl-peroxide complexes was studied at alkaline media by using UV-Visible spectrophotometry and the STAR code. Two different complexes were found at a H2O2/U(VI) ratio lower than 2. A graphical method ...
  • Dynamic leaching studies of 48 MWd/kgU UO2 commercial spent nuclear fuel under oxic conditions 

    Serrano Purroy, D.; Casas Pons, Ignasi; Gonzalez Robles, E.; Glatz, Jean Paul; Wegen, D.H.; Clarens Blanco, Frederic; Giménez Izquierdo, Francisco Javier; Pablo Ribas, Joan de; Martínez Esparza, A. (2013-03)
    Article
    Restricted access - publisher's policy
    The leaching of a high-burn-up spent nuclear fuel (48 MWd/KgU) has been studied in a carbonate-containing solution and under oxic conditions using a Continuously Stirred Tank Flow-Through Reactor (CSTR). Two samples of the ...
  • Effect of NaCl on the fabrication of the Egyptian blue pigment 

    Giménez Izquierdo, Francisco Javier; Espriu Gascon, Alexandra; Bastos Arrieta, Julio Alonso; Pablo Ribas, Joan de (Elsevier Ltd, 2017-08-01)
    Article
    Restricted access - publisher's policy
    The effect of the presence of NaCl on the synthesis of Egyptian blue pigment (cuprorivaite, CaCuSi4O10) was studied through experiments in which different amounts of NaCl were introduced in the initial mixture of reactants. ...
  • Egyptian blue and/or atacamite in an ancient egyptian coffin 

    Giménez Izquierdo, Francisco Javier (2015-11-18)
    Article
    Open Access
    This work deals with the composition of the blue and green pigments used in the wooden sarcophagus studied by Abdelaal et al. and published in 2014 in this journal. From the published data, a degradation of the originally ...
  • Egyptological Information from chemical analysis: The provenance of obsidian and glass 

    Giménez Izquierdo, Francisco Javier (2014)
    Article
    Open Access
    S ome materials found in archaeological sites have chemi - cal or mineralogical characteristics which differ from one geological site to another. Comparing the characteristics of the archaeological artifact with the ...
  • Egyptology in the service of learning chemistry in industrial engineering 

    Giménez Izquierdo, Francisco Javier (OmniaScience, 2014-12)
    Article
    Open Access
    Ancient cultures or civilizations carried out different technological improvements without the knowledge of the scientific processes involved. At the Escola Tècnica Superior d’Enginyeria Industrial de Barcelona (ETSEIB), ...
  • Eina informàtica basada en el guiatge de l’alumne, per l’anivellament dels coneixements previs de química, de primer curs de la UPC de la titulació d’Enginyeria Industrial, mitjançant la plataforma de suport a la docència (Atenea v.4.0) 

    Martínez Martínez, María del Rosario; Casa Pons, Ignasi; Farran Marsà, Adriana; Miralles Esteban, Núria; Giménez Izquierdo, Francisco Javier; Pablo Ribas, Joan de; Calafell Monfort, Margarita (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2008-12-20)
    Conference report
    Open Access
    Durant aquest projecte s’ha recopilat i estructurat un material didàctic adequat perquè l’alumnat, en especial el que no hagi cursat assignatures de química abans del seu ingrés a la universitat, pugui aconseguir uns ...
  • Finding hidden chemistry in ancient egyptian artifacts: Pigment degradation taught in a chemical engineering course 

    Giménez Izquierdo, Francisco Javier (2015-03-01)
    Article
    Restricted access - publisher's policy
    The main objective of this work was to show the application of the study of ancient technology and science on teaching (and learning) chemistry in Chemical Engineering Undergraduate studies. Degradation patterns of pigments ...
  • Human Health Risk Assessment of a landfill based on volatile organic compounds emission, immission and soil gas concentration measurements 

    Martí Gregorio, Vicenç; Jubany, Irene; Perez, Consol; Rubio, Xavier; De Pablo, Joan; Giménez Izquierdo, Francisco Javier (2014-10-01)
    Article
    Restricted access - publisher's policy
    A Human Health Risk Assessment (HHRA) was required for a closed landfill located in Cerdanyola del Valles (Barcelona, Spain). The FIHRA had two objectives, to evaluate the present risk of the identified receptors in the ...
  • Identifying the Ethiopian origin of the obsidian found in Upper Egypt (Naqada period) and the most likely exchange routes 

    Giménez Izquierdo, Francisco Javier (2015)
    Article
    Restricted access - publisher's policy
    The absence of obsidian sources in Egypt implies that obsidian excavated in f ourth millennium BC Upper Egyptian sites arrived to Egypt from long distances. This work develops an obsidian provenance study , based on the ...
  • Immobilization of selenite onto natural siderite (FeCO3) 

    Martínez Martínez, María del Rosario; Giménez Izquierdo, Francisco Javier; Pablo Ribas, Joan de (2015)
    Conference lecture
    Open Access
    The sorption processes of metals and semimetals on siderite are being studied because of the potential adequacy of the mineral for removing contaminants from natural waters and because of its formation during the reduction ...
  • Incorporation of selenium(IV) and selenium(VI) on uranyl peroxide 

    Martínez Torrents, Albert; Giménez Izquierdo, Francisco Javier; Martínez Lledó, Xavier; Casas Pons, Ignasi; De pablo, J. (2015-01-01)
    Article
    Restricted access - publisher's policy
    © 2014, Akadémiai Kiadó, Budapest, Hungary. The sorption of Se(IV) and Se(VI) on uranium peroxide has been studied considering the sorption kinetics, the sorption isotherms and the effect of pH. Selenium sorption on studtite ...
  • Integration of foreigners in Egypt: the relief of Amenhotep II shooting arrows at a copper ingot and related scenes 

    Giménez Izquierdo, Francisco Javier (2017)
    Article
    Open Access
    The relief of Amenhotep II shooting arrows at a copper ingot target has often been considered as propaganda of the king’s extraordinary strength and vigour. However, this work proposes that the scene took on additional ...
  • Oxidation by H2O(g) in the presence of H2(g) of UO2 doped with Pd nanoparticles 

    Espriu Gascon, Alexandra; Llorca Piqué, Jordi; Domínguez Escalante, Montserrat; Giménez Izquierdo, Francisco Javier; Casas Pons, Ignasi; Pablo Ribas, Joan de (2018-09-28)
    Article
    Restricted access - publisher's policy
    This work studies the influence of epsilon particles and metallic precipitates, simulated through the deposition of Pd nanoparticles on non-irradiated UO2, on the oxidation of the spent nuclear fuel (SNF). The presence of ...
  • Preparation and characterisation of Pd nanoparticles doped UO2 samples 

    Espriu Gascon, Alexandra; Bastos Arrieta, Julio Alonso; Giménez Izquierdo, Francisco Javier; Casas Pons, Ignasi; Pablo Ribas, Joan de (2016-01-01)
    Article
    Open Access
    To assess the safety of the deep geological disposal that would store the spent nuclear fuel (SNF), studies are centred on the SNF behaviour under repository conditions. UO2, which is the most common compound of SNF matrix, ...
  • Retention of cesium and strontium by uranophane, Ca(UO2)2(SiO3OH)2·5H2O 

    Espriu Gascon, Alexandra; Giménez Izquierdo, Francisco Javier; Casas Pons, Ignasi; Pablo Ribas, Joan de (2018-07-05)
    Article
    Restricted access - publisher's policy
    This work determines the capacity of uranophane, one of the long-term uranyl secondary solid phases formed on the spent nuclear fuel (SNF), to retain radionuclides (cesium and strontium) released during the dissolution of ...
  • Secondary phase formation on UO2 in phosphate media 

    Rey, A.; Giménez Izquierdo, Francisco Javier; Casas Pons, Ignasi; Clarens, F.; De Pablo Ribes, Joan (2008-04-08)
    Article
    Restricted access - publisher's policy
    he dissolution of UO2 (a chemical analog of uraninite and of spent nuclear fuel) has been studied by using a flow-through reactor. The UO2 dissolution rates at total View the MathML source concentrations of 10−4, 10−5, and ...
  • Solubility study and point of zero charge of studtite (UO2O2 center dot 4H(2)O) 

    Giménez Izquierdo, Francisco Javier; De Pablo, Joan; Casas Pons, Ignasi; Martínez Lladó, Xavier; Rovira Boixaderas, Miquel; Martinez Torrents, A (2014-10-01)
    Article
    Restricted access - publisher's policy
    The knowledge of the characteristics of the U(VI)-peroxide chemical system is of importance because of the relevance of the uranyl peroxide solid phases studtite (UO2O2 center dot 4H(2)O) or metastudtite (UO2O2 center dot ...
  • Sorption and mobility of Sb(V) in calcareous soils of Catalonia (NE Spain): Batch and column experiments 

    Martínez Lladó, Xavier; Valderrama Angel, César Alberto; Rovira Boixaderas, Miquel; Martí Gregorio, Vicenç; Giménez Izquierdo, Francisco Javier; Pablo Ribas, Joan de (2011-01-15)
    Article
    Restricted access - publisher's policy
    The sorption of Sb(V) onto natural calcareous soils was studied in batch and column experiments as a function of physicochemical properties of the soil, namely: organic matter, the active fraction of Fe and Al and the pH ...