Acid properties of applied heteropolycompounds of molybdenumby the method of IR spectroscopy
Journal Article
·
· Kinet. Catal. (Engl. Transl.); (United States)
OSTI ID:7005945
The acid properties of phosphomolybdic heteropolyacid of the 12th series, applied on SiO/sub 2/, TiO/sub 2/, and Al/sub 2/O/sub 3/ carriers and its sodium and copper salts, applied on SiO/sub 2/, were investigated by the method of IR spectroscopy according to the adsorption of pyridine. The presence of Bronsted and Lewis acid centers was established in all the investigated catalysts. It was shown that the concentration and in a number of cases the strength of Bronsted acid centers can be varied by varying the degree of substitution of protons in the heteropolyacid by metal cations, the content of heteropolycompounds on the carrier, the degree of their dehydration, and the type of carrier used.
- Research Organization:
- Institute of Catalysis, Siberian Branch, Acad of Sci., Novosibirsk
- OSTI ID:
- 7005945
- Journal Information:
- Kinet. Catal. (Engl. Transl.); (United States), Journal Name: Kinet. Catal. (Engl. Transl.); (United States) Vol. 27:2, PT. 2; ISSN KICAA
- Country of Publication:
- United States
- Language:
- English
Similar Records
Silica-alumina-supported Mo oxide catalysts: Genesis and demise of Bronsted-Lewis acidity
Acidic and catalytic properties of SiO{sub 2}-Ta{sub 2}O{sub 5} mixed oxides prepared by the sol-gel method
FT-IR assessment through pyridine adsorption of the surface acidity of alkali-doped MoO[sub 3]/TiO[sub 2]
Journal Article
·
Sat Dec 31 23:00:00 EST 1994
· Journal of Catalysis
·
OSTI ID:75806
Acidic and catalytic properties of SiO{sub 2}-Ta{sub 2}O{sub 5} mixed oxides prepared by the sol-gel method
Journal Article
·
Fri Sep 15 00:00:00 EDT 1995
· Journal of Catalysis
·
OSTI ID:273843
FT-IR assessment through pyridine adsorption of the surface acidity of alkali-doped MoO[sub 3]/TiO[sub 2]
Journal Article
·
Thu Mar 31 23:00:00 EST 1994
· Journal of Catalysis; (United States)
·
OSTI ID:7107558
Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ADSORPTION
ALKALI METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
AMMONIA
AZINES
BROENSTED ACIDS
CATALYST SUPPORTS
CATALYTIC EFFECTS
CHALCOGENIDES
COPPER COMPOUNDS
COPPER HYDRIDES
HETEROCYCLIC COMPOUNDS
HETEROPOLY ACIDS
HYDRIDES
HYDROGEN COMPOUNDS
INFRARED SPECTRA
INORGANIC ACIDS
LEWIS ACIDS
MEDIUM TEMPERATURE
MOLYBDENUM COMPOUNDS
MOLYBDOPHOSPHORIC ACID
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PH VALUE
PHOSPHORUS COMPOUNDS
PYRIDINES
REFRACTORY METAL COMPOUNDS
SILICON COMPOUNDS
SILICON OXIDES
SODIUM COMPOUNDS
SODIUM HYDRIDES
SORPTION
SPECTRA
TEMPERATURE EFFECTS
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
400201* -- Chemical & Physicochemical Properties
ADSORPTION
ALKALI METAL COMPOUNDS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
AMMONIA
AZINES
BROENSTED ACIDS
CATALYST SUPPORTS
CATALYTIC EFFECTS
CHALCOGENIDES
COPPER COMPOUNDS
COPPER HYDRIDES
HETEROCYCLIC COMPOUNDS
HETEROPOLY ACIDS
HYDRIDES
HYDROGEN COMPOUNDS
INFRARED SPECTRA
INORGANIC ACIDS
LEWIS ACIDS
MEDIUM TEMPERATURE
MOLYBDENUM COMPOUNDS
MOLYBDOPHOSPHORIC ACID
NITROGEN COMPOUNDS
NITROGEN HYDRIDES
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OXIDES
OXYGEN COMPOUNDS
PH VALUE
PHOSPHORUS COMPOUNDS
PYRIDINES
REFRACTORY METAL COMPOUNDS
SILICON COMPOUNDS
SILICON OXIDES
SODIUM COMPOUNDS
SODIUM HYDRIDES
SORPTION
SPECTRA
TEMPERATURE EFFECTS
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS