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Relations between synthesis and microstructural properties of copper/zinc hydroxycarbonates.
- B. Bems, M. Schur, Alina Dassenoy, H. Junkes, D. Herein, R. Schlögl
- Chemistry, Medicine
- 9 May 2003
Cu/Zn Hydroxycarbonates obtained by co-precipitation of Cu(2+) and Zn(2+) with Na(2)CO(3) have been investigated regarding phase formation and thermal decomposition in two series with varying Cu/Zn… Expand
The Correlation of Subsurface Oxygen Diffusion with Variations of Silver Morphology in the Silver–Oxygen System
Silver undergoes pronounced morphological changes following high-temperature treatment in various gas atmospheres. SEM analysis shows that high-temperature treatment in oxygen leads to pronounced… Expand
Reaction of NO with carbonaceous materials: 1. reaction and adsorption of NO on ashless carbon black
Abstract The mechanism of the reaction of NO with ashless carbon black was studied in detail. The differences between the amounts of oxygen and nitrogen measured and the calculated concentrations of… Expand
Reaction of NO with carbonaceous materials: 2. effect of oxygen on the reaction of NO with ashless carbon black
Abstract The reaction rate in the reaction of NO with an ashless carbon black was considerably enhanced in the presence of oxygen. A similar effect has also been observed in the reaction of NO with… Expand
Structural and catalytic properties of sodium and cesium exchanged X and Y zeolites, and germanium-substituted X zeolite
Abstract The conversion of isopropanol in a fixed bed flow reactor was used as a test reaction for a number of faujasite-type zeolites which were modified in order to increase their basicity. Samples… Expand
The Reaction of Molecular Oxygen with Silver at Technical Catalytic Conditions: Bulk Structural Consequences of a Gas-Solid Interface Reaction
Ruthenium Catalysts for Ammonia Synthesis at High Pressures: Preparation, Characterization, and Power-Law Kinetics.
The Production of Different Carbon Forms by Electric Arc Graphite Evaporation.
Ruthenium catalysts for ammonia synthesis at high pressures: Preparation, characterization, and power-law kinetics
Abstract Supported Ru catalysts for NH3 synthesis were prepared from Ru3(CO)12 and high-purity MgO and Al2O3. In addition to aqueous impregnation with alkali nitrates, two non-aqueous methods based… Expand
Preparation and characterisation ofPt/Al2O3 aerosol precursors as model Pt-emissions from catalytic converters
Abstract A model catalyst to simulate inorganic emissions from automotive catalyst was developed to study the toxicological potential of platinum particles. A 3–5% systemPt/Al2O3 was selected in… Expand