Published November 1989
| Version v1
Journal article
Moessbauer and x-ray characterization and catalytic properties of Co-promoted ammonia synthesis catalysts
Creators
- 1. Vissh Khimiko-Tekhnologicheski Inst., Burgas (Bulgaria)
- 2. Moskovskij Khimiko-Tekhnologicheskij Inst., Moscow (USSR)
- 3. Eoetvoes Lorand Tudomanyegyetem, Budapest (Hungary). Magkemiai Lab.
Description
Phase composition of Co-promoted ammonia synthesis catalysts was studied by means of Moessbauer spectroscopy and x-ray diffractometry. Co-promoted catalysts had maximum activity at 5-7% CoO concentration. This result is associated with the substitution of 1-2 Fe atoms by Co-atoms per unit cell of the bcc α-Fe lattice being the active phase for catalysis. (author) 22 refs.; 5 figs.; 3 tabs
Additional details
Publishing Information
- Journal Title
- Journal of Radioanalytical and Nuclear Chemistry
- Journal Volume
- 134
- Journal Issue
- 1
- Series
- J. Radioanal. Nucl. Chem. ;Articles.
- Journal Page Range
- 3-11
- ISSN
- 0236-5731
- CODEN
- JRNCD
INIS
- Country of Publication
- Hungary
- Country of Input or Organization
- Hungary
- INIS RN
- 21060254
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; S37: INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY;
- Descriptors DEI
- ALUMINIUM OXIDES; AMMONIA; CATALYSTS; CHEMICAL COMPOSITION; COBALT OXIDES; COBALT 57; EFFICIENCY; IRON OXIDES; IRON 57; MOESSBAUER EFFECT; PHASE STUDIES; POTASSIUM OXIDES; SPECIFIC SURFACE AREA; SYNTHESIS; X-RAY DIFFRACTION
- Descriptors DEC
- ALKALI METAL COMPOUNDS; ALUMINIUM COMPOUNDS; BETA DECAY RADIOISOTOPES; CHALCOGENIDES; COBALT COMPOUNDS; COBALT ISOTOPES; COHERENT SCATTERING; DAYS LIVING RADIOISOTOPES; DIFFRACTION; ELECTRON CAPTURE RADIOISOTOPES; EVEN-ODD NUCLEI; HYDRIDES; HYDROGEN COMPOUNDS; INTERMEDIATE MASS NUCLEI; IRON COMPOUNDS; IRON ISOTOPES; ISOTOPES; NITROGEN COMPOUNDS; NITROGEN HYDRIDES; NUCLEI; ODD-EVEN NUCLEI; OXIDES; OXYGEN COMPOUNDS; PHYSICAL PROPERTIES; POLAR SOLVENTS; POTASSIUM COMPOUNDS; RADIOISOTOPES; SCATTERING; SOLVENTS; STABLE ISOTOPES; TRANSITION ELEMENT COMPOUNDS