Investigation of structural changes of silica particles during dehydration and chemosorption (in Russian)
Journal Article
·
· Theor. Exp. Chem. (Engl. Transl.); (United States)
Investigations have been made of changes in the structures of ultradisperse pyrogenic silica particles by small-angle x-ray scattering during dehydration and chemosorption. It has been established that during dehydration there are abrupt changes in the geometrical dimensions of the particles, caused by breakdown of coordination complexes between surface silicon atoms and water molecules.
- Research Organization:
- L. V. Pisarzhevskii Institute of Physical Chemistry, Kiev, USSR
- OSTI ID:
- 6387595
- Journal Information:
- Theor. Exp. Chem. (Engl. Transl.); (United States), Vol. 21:6; Other Information: Translated from Teor. Eksp. Khim.; 21: No. 6, 745-748(Nov-Dec 1985)
- Country of Publication:
- United States
- Language:
- Russian
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Related Subjects
37 INORGANIC
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
36 MATERIALS SCIENCE
SILICA
CATALYTIC EFFECTS
CHEMISORPTION
CONFORMATIONAL CHANGES
CRYSTAL-PHASE TRANSFORMATIONS
DEHYDRATION
X-RAY DIFFRACTION
CATALYSTS
DEACTIVATION
HETEROGENEOUS CATALYSIS
PARTICLE SIZE
SMALL ANGLE SCATTERING
X RADIATION
CATALYSIS
CHALCOGENIDES
CHEMICAL REACTIONS
COHERENT SCATTERING
DIFFRACTION
ELECTROMAGNETIC RADIATION
IONIZING RADIATIONS
MINERALS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
RADIATIONS
SCATTERING
SEPARATION PROCESSES
SILICON COMPOUNDS
SILICON OXIDES
SIZE
SORPTION
400201* - Chemical & Physicochemical Properties
360602 - Other Materials- Structure & Phase Studies
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
36 MATERIALS SCIENCE
SILICA
CATALYTIC EFFECTS
CHEMISORPTION
CONFORMATIONAL CHANGES
CRYSTAL-PHASE TRANSFORMATIONS
DEHYDRATION
X-RAY DIFFRACTION
CATALYSTS
DEACTIVATION
HETEROGENEOUS CATALYSIS
PARTICLE SIZE
SMALL ANGLE SCATTERING
X RADIATION
CATALYSIS
CHALCOGENIDES
CHEMICAL REACTIONS
COHERENT SCATTERING
DIFFRACTION
ELECTROMAGNETIC RADIATION
IONIZING RADIATIONS
MINERALS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PHASE TRANSFORMATIONS
RADIATIONS
SCATTERING
SEPARATION PROCESSES
SILICON COMPOUNDS
SILICON OXIDES
SIZE
SORPTION
400201* - Chemical & Physicochemical Properties
360602 - Other Materials- Structure & Phase Studies