LACAME 2008

Eleventh Latin American conference on the applications of the Mössbauer effect, LACAME 2008, La Plata, Argentina, 9-14 November 2008.- Preface.- Fe/MCM-41 sylilated catalyst: structural changes determination during the Fischer-Tropsch reaction.- Reduction of hematite with ethanol to produce magnetic nanoparticles of Fe3O4, Fe1???x O or Fe0 coated with carbon.- Magnetic nanoparticles based on iron coated carbon produced from the reaction of Fe2O3 with CH4: a Mössbauer study.- Niobian iron oxides as heterogeneous Fenton catalysts for environmental remediation.- Magnetic minerals from volcanic Ultisols as heterogeneous Fenton catalysts.- Hematite reaction with tar to produce carbon/iron composites for the reduction of Cr(VI) contaminant.- Supported iron based redox systems for hydrogen production and storage from ethanol.- Mineralogical characterization of Greda clays and monitoring of their phase transformations on thermal treatment.- Mössbauer spectroscopy study of a mineral sample from Oshno Hill, District of Chavín de Pariarca, Huanuco Region, Peru.- Hematite from a mining area in the east border of Quadrilátero Ferrífero, Minas Gerais, Brazil.- Mössbauer studies of one representative hydromorphic soil of the coastal area of the Rio de La Plata.- 57Fe Mössbauer spectroscopy of radiation damaged samarskites and gadolinites.- Synthesis of hematite nanowires using a mesoporous hard template.- Mössbauer characterization of surface-coated magnetic nanoparticles for applications in transformers.- Formation of nanostructured Al 64 Cu 23 Fe 13 icosahedral quasicrystal by the ball milling technique.- Mössbauer and EXAFS spectroscopy investigation of iron and arsenic adsorption to lettuce leaves.- Characterization of corrosion products of a carbon steel screw-nut set exposed to mountain weather conditions.- The role of the spinel phases on the rust activity in corroded steels.- On the reaction of iron oxides and oxyhydroxides with tannic and phosphoric acid and their