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Article
The State of Copper Ions in Aqueous and Aqueous Ammonia Solutions of Copper Acetate
Stabilization of Cu2+ ions in aqueous and aqueous ammonia solutions of copper acetate was studied for a wide range of ammonia concentrations. The structure of copper acetate hydrate complexes was shown to markedl...
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Article
State of the copper-containing component and the catalytic properties of Cu/ZSM-5 in selective NO reduction with propane
Supported Cu/ZSM-5 catalysts have been synthesized by ion exchange and impregnation using aqueous ammonia solutions of copper nitrate containing orbital-ordered copper ions. The state of the copper-containing ...
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Article
Localization of the copper-containing component in the pore volume of zeolite ZSM-5
The distribution of the copper-containing component in the pore volume of zeolite ZSM-5 has been investigated by H2 and N2 adsorption at 77 K and IR spectroscopy. Samples were synthesized by ion exchange and inci...
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Article
Orbital ordering of Cu2+ ions in concentrated aqueous ammonia solutions of copper chloride, sulfate, and acetate as probed by ESR
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Article
The state of Cu2+ ions in concentrated aqueous ammonia solutions of copper nitrate
Stabilization of Cu2+ ions in concentrated aqueous ammonia solutions of copper nitrate in a wide range of ammonium ion concentrations has been studied by EPR and electronic absorption spectroscopy. Three types of...
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Article
Adsorption of molecular hydrogen on aluminophosphate zeolites at 77 K
The H2 sorption properties of the aluminophosphate zeolites AlPO-5, AlPO-31, AlPO-11, AlPO-36, and AlPO-8 at 77 K have been investigated. A series of H2 adsorption isotherms has been obtained for cylindrical micr...
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Article
Specific features of association of Cu2+ ions in concentrated aqueous ammonia solutions of copper nitrate as probed by ESR
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Article
Distribution of copper- and nickel-containing modifier components in the pore space of HZSM-5 zeolite
The distribution of copper- and nickel-containing components in the pore space of HZSM-5 zeolite was quantitatively studied. It was found that the detailed distribution of a modifier in the micropore and mesop...