Russian Journal of Inorganic Chemistry, Tập 34,Trang 925-1848Chemical Society., 1989 |
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... groups , and their high mobility is due to the possible rotation of the OH groups round the O - O bond or to proton exchange between the OOH and OH groups . This explains the decrease in the second moment of the 11B NMR spectra on going ...
... groups , and their high mobility is due to the possible rotation of the OH groups round the O - O bond or to proton exchange between the OOH and OH groups . This explains the decrease in the second moment of the 11B NMR spectra on going ...
Trang 1593
... groups and their dimers ( 1720 cm1 , 1300 cm ̄1 ) and protonated pyridine groups ( 1410 cm - 1 ) . " The far infrared spectrum ( spectrum 2 in Fig . 5 ) contains several weak bands due to the vibrations of the polymer matrix and the ...
... groups and their dimers ( 1720 cm1 , 1300 cm ̄1 ) and protonated pyridine groups ( 1410 cm - 1 ) . " The far infrared spectrum ( spectrum 2 in Fig . 5 ) contains several weak bands due to the vibrations of the polymer matrix and the ...
Trang 1619
... groups make it possible to eliminate contact between the polar nucleus and the diluent , as confirmed by comparing the ' H NMR spectra of solutions of TMHAC and ( TMHA ) 3Yb ( SO4 ) 3 . The decrease in the chemical shifts of the protons ...
... groups make it possible to eliminate contact between the polar nucleus and the diluent , as confirmed by comparing the ' H NMR spectra of solutions of TMHAC and ( TMHA ) 3Yb ( SO4 ) 3 . The decrease in the chemical shifts of the protons ...
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1988 Translated absorption acid Akad alkali metal alloys ammonium anion aqueous solution atoms bands bond calcium calculated cations Chem chemical Chemistry chloride cm¯¹ cm¹ composition compounds concentration constants containing coordination corresponding crystallisation crystals decrease dehydration determined electron endothermic endothermic effect English translation equilibrium ethanol europium eutectic experimental extraction Figure fluorine formed given in Table groups H₂O heating hydrogen hydrogen bonds increase infrared spectra Inorg ions isothermal Khim Khimiya lanthanide ligand metal method mixture Moscow Nauk SSSR Neorg Neorganicheskoi Khimii 34 nitrate obtained orthorhombic oxide oxygen parameters phosphate potassium precipitate present proton ratio reaction salts sodium solid solutions solubility specimens spectra spectrum stability structure studied synthesis temperature range ternary thermal analysis thermal decomposition Translated from Zhurnal translation in Russ values vapour vibrations water molecules wavenumbers X-ray diffraction X-ray diffraction patterns Zhurnal Neorganicheskoi Khimii