Russian Journal of Inorganic Chemistry, Tập 39,Trang 1-503Chemical Society, 1994 |
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Trang 24
... oxide and metallic dysprosium and erbium were calcined at tem- peratures of about 1000 ° C . Higher temperatures would have led to the recrystallization of quartz . The samples containing niobium ( V ) oxide and metallic praseody- mium ...
... oxide and metallic dysprosium and erbium were calcined at tem- peratures of about 1000 ° C . Higher temperatures would have led to the recrystallization of quartz . The samples containing niobium ( V ) oxide and metallic praseody- mium ...
Trang 26
... oxide show absorption bands in the frequency range characteristic of pure nio- bium ( IV ) oxide . The presence of various phases , such as praseody- mium oxide , niobium ( II ) oxide , europium - niobium bronze , or praseodymium ...
... oxide show absorption bands in the frequency range characteristic of pure nio- bium ( IV ) oxide . The presence of various phases , such as praseody- mium oxide , niobium ( II ) oxide , europium - niobium bronze , or praseodymium ...
Trang 211
... oxide compounds containing rare - earth oxides and titanium ( III ) oxide were studied previously in [ 5 , 6 ] . However , these data refer mainly to compounds of sto- ichiometric composition , whereas most of the oxide compounds ...
... oxide compounds containing rare - earth oxides and titanium ( III ) oxide were studied previously in [ 5 , 6 ] . However , these data refer mainly to compounds of sto- ichiometric composition , whereas most of the oxide compounds ...
Nội dung
Synthesis and Properties of Inorganic Compounds | 1 |
Coordination Compounds | 56 |
II Tetraphosphates and Tetrasulfates | 79 |
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absorption bands Academy of Sciences acid Akad anal analysis angles anions aqueous bonds calcd calculated carbon cations Chem chemical cm-¹ composition concentration constant COORDINATION COMPOUNDS copper copper(II crystal curve decrease determined distances DMSO electronic absorption equilibrium ethanol eutectic experimental extraction formed H₂ H₂O heat hydride hydrogen increase Inorg Inorganic Chemistry INORGANIC CHEMISTRY Vol interaction intermetallic ionic ions isotherms JOURNAL OF INORGANIC Khim kJ/mol Koord lanthanide ligand MAHK melt metal method mixture mol/l molecules Moscow Nauk SSSR Nauka Neorg obtained octahedron oxide oxygen perovskite physicochemical plexes polyhedron position powder pressure properties range rare-earth ratio reaction region Russia Received Russian Academy RUSSIAN JOURNAL salts samples shows SiF4 solubility solution solvent sorbents sorption space group spectrum stability structure studied sulfur synthesis Table temperature thermal thiourea tion trans transition values vibrations X-ray diffraction X-ray powder diffraction