Fachgebiet Mineralogie
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Dissolution behaviour of beryl

Kurumathoor Parameshwaran, Raji (2016)

Beryl, a cyclosilicate, with an ideal chemical composition Be3Al2Si6O18, is the most important accessory Be mineral and an ore of the strategic element Be. It is mainly found in pegmatites, in some...

Structure of the catalytic sites in Fe/N/C-catalysts for O-2-reduction in PEM fuel cells

Kramm, Ulrike I.; Herranz, Juan; Larouche, Nicholas; Arruda, Thomas M.; Lefèvre, Michel; Jaouen, Frédéric; Bogdanoff, Peter; Fiechter, Sebastian; Abs-Wurmbach, Irmgard; Mukerjee, Sanjeev; Dodelet, Jean-Pol (2012)

Fe-based catalytic sites for the reduction of oxygen in acidic medium have been identified by 57Fe Mössbauer spectroscopy of Fe/N/C catalysts containing 0.03 to 1.55 wt% Fe, which were prepared by ...