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Caracterização de materiais cerâmicos à base de CuCr2O4 preparados pelo método da reação de combustão em solução para uso como pigmentos
(2018-01-01)
CuCr2O4-based ceramic pigments were prepared by the method of solution combustion synthesis starting at calcination in the range of 500 to 1100 °C, aiming to the application as ceramic pigment. The structural, morphological, ...
Compositional effects on the solubility of minor and trace elements in oxide spinel minerals: Insights from crystal-crystal partition coefficients in chromite exsolution
(Mineralogical Society of America, 2016-03)
Chromite from Los Congos and Los Guanacos in the Eastern Pampean Ranges of Córdoba (Argentinian Central Andes) shows homogenous and exsolution textures. The composition of the exsolved phases in chromite approaches the ...
Compositional effects on the solubility of minor and trace elements in oxide spinel minerals: Insights from crystal-crystal partition coefficients in chromite exsolution
(Mineralogical Society of America, 2016)
Chromite from Los Congos and Los Guanacos in the Eastern Pampean Ranges of Cordoba (Argentinian Central Andes) shows homogenous and exsolution textures. The composition of the exsolved phases in chromite approaches the ...
Fundamental aspects of sintering of chromites concentrates
(London, 2014)
Brazilian chromite ores need to be crushed to a size below 1 mm to allow concentrations that decrease the content of gangues. The concentrate particle size distributions therefore are not favourable for sintering. The ...
THERMAL PLASMA TECHNIQUE FOR PRODUCTION OF DOPED LANTHANUM CHROMITE POWDERS FOR SEMICONDUCTING REFRACTORY CERAMICS
(Begell House IncReddingEUA, 2011)
Selective Hydrogenolysis of Glycerol to Propylene Glycol in a Continuous Flow Trickle Bed Reactor Using Copper Chromite and Cu/Al2O3 Catalysts
(Sociedade Brasileira de Química, 2016-12)
The glycerol hydrogenolysis reaction was performed in a continuous flow trickle bed reactor using a water glycerol feed and both copper chromite and Cu/Al2O3 catalysts. The commercial copper chromite had a higher activity ...
Caracterização química de cromitas nos maciços de cromínia e mairipotaba, goiás, Brasil
(2010-03-01)
Metaultramafic bodies tectonically emplaced within the metasedimentary sequence of the Araxá Group are associated with an ophiolitic melange in southeast Goiás. In the region of Crominia - Mairipotaba, they occur as ...
Metamorphism and PGE-Au content of chromitite from the Ipanema mafic/ultramafic Complex, Minas Gerais, Brazil
(Springer, 2001-01-01)
The Santa Cruz massif, which forms part of the Ipanema mafic/ultramafic Complex, Minas Gerais, Brazil, has an exposed upward sequence of metadunite, metaharzburgite (including three separate chromitite layers), metapyroxenite, ...
Testing trace-element distribution and the zr-based thermometry of accessory rutile from chromitite
(2021-07-01)
Trace element distribution and Zr-in-rutile temperature have been investigated in accessory rutile from stratiform (UG2, Merensky Reef, Jacurici), podiform (Loma Peguera), and metamorphic chromitites in cratonic shields ...
Nanoscale partitioning of Ru, Ir, and Pt in base-metal sulfides from the Caridad chromite deposit, Cuba
(Mineralogical Society of America, 2018)
We report new results of a combined focused ion beam and high-resolution transmission electron microscopy (FIB/HRTEM) investigation of platinum-group elements (PGE)-rich base-metal sulfides. The Ni-Fe-Cu base-metal sulfides ...