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It would seem that replacement of the HTD ( H ) sorption centres by As ions should appear in the ' H NMR spectrum as a decrease in the content of other types of OH groups also . However , this does not occur .
It would seem that replacement of the HTD ( H ) sorption centres by As ions should appear in the ' H NMR spectrum as a decrease in the content of other types of OH groups also . However , this does not occur .
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4,5 Besides the Ti - O - Ti = and = Ti Ti 0 - Ti bonds , HTD also contains two types of OH groups , isolated ( N11 ) and paired ( N12 ) ; three - proton magnetic configurations ( NH , O + ) and water molecules ( NH , O ) .
4,5 Besides the Ti - O - Ti = and = Ti Ti 0 - Ti bonds , HTD also contains two types of OH groups , isolated ( N11 ) and paired ( N12 ) ; three - proton magnetic configurations ( NH , O + ) and water molecules ( NH , O ) .
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found experimentally , N11 N12 : NH , O = 1 : ( 2.2 ± 0.3 ) :( 1.3 ± 0.4 ) , indicates that the actual content of bridging OH groups in the sorbent samples is ~ 3.5 times greater ( N12 + Nн , 0 + 3.5 ± 0.4 ) than expected from a HTD ...
found experimentally , N11 N12 : NH , O = 1 : ( 2.2 ± 0.3 ) :( 1.3 ± 0.4 ) , indicates that the actual content of bridging OH groups in the sorbent samples is ~ 3.5 times greater ( N12 + Nн , 0 + 3.5 ± 0.4 ) than expected from a HTD ...
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Number | 608 |
SA Onorin M B Khodyashev T A Denisova V V Volkhin N D Zakharov | 615 |
K Kurmanguzhina I N Marov G A Evitkova A F Fakeev | 622 |
Bản quyền | |
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ABSTRACT according acid activity addition analysis angles anion appearance aqueous solutions atoms bands bond calculated carried cations characteristic Chem chemical Chemistry chloride complexes components composition compounds concentration constant containing coordination copper corresponding crystal crystallisation curves decomposition decrease dependence described determined effect electron energy English translation equilibrium ether experimental extraction Figure formation formed given gives groups heating hydrogen increase indicates Inorg ions Khim Khimii leads ligand lines mass materials measured metal method mixture molecules Moscow Neorg nitrate observed obtained oxide oxygen parameters phase points positions possible precipitate prepared present properties published range ratio reaction References region respectively Russian salt Sciences shows similar solid solutions solubility solution space group specimens spectra spectrum stability structure studied surface synthesis Table temperature thermal translation in Russ values X-ray diffraction