Russian Journal of Inorganic Chemistry, Tập 22Chemical Society., 1977 |
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Trang 163
... vanadium iodide hexahydrate from vanadium ( III ) oxide and hydriodic acid has been developed and its dehydration in a stream of argon investigated . The dehydration of VI3.6H2O takes place at 165 ° C and is accom- panied by hydrolysis ...
... vanadium iodide hexahydrate from vanadium ( III ) oxide and hydriodic acid has been developed and its dehydration in a stream of argon investigated . The dehydration of VI3.6H2O takes place at 165 ° C and is accom- panied by hydrolysis ...
Trang 391
... vanadium ( III ) in solution . EXPERIMENTAL Vanadium ( III ) solutions were obtained by dissolving vanadium trichloride in 0.5 M hydrochloric acid and then stored in an atmosphere of hydrogen . The vanadium ( III ) concentration was ...
... vanadium ( III ) in solution . EXPERIMENTAL Vanadium ( III ) solutions were obtained by dissolving vanadium trichloride in 0.5 M hydrochloric acid and then stored in an atmosphere of hydrogen . The vanadium ( III ) concentration was ...
Trang 392
... ( 3 ) where K = 1.2 × 10-3 and Kh = 3.1 × 10-4 are the hydroly- sis constants of vanadium ( III ) . 7 Taking into account Eqns . ( 4 ) - ( 7 ) , we calculated the values of -lgB for different forms of the complex - form- ing vanadium ( III ) ...
... ( 3 ) where K = 1.2 × 10-3 and Kh = 3.1 × 10-4 are the hydroly- sis constants of vanadium ( III ) . 7 Taking into account Eqns . ( 4 ) - ( 7 ) , we calculated the values of -lgB for different forms of the complex - form- ing vanadium ( III ) ...
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COORDINATION equalisation of the electronegativities | 13 |
73 | 13 |
Preparation and some properties of tungsten | 13 |
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1975 Translated absorption bands absorption spectra acid Akad alkali metal ammonium analysis anion aqueous solutions atoms bond bromine caesium calculated cations cerium Chem chemical Chemistry chloride cm-¹ cm¹ complexes composition compounds concen concentration coordination copper(II corresponding crystallisation crystals curves decomposition dehydration determined electronic endothermic endothermic effect equilibrium diagram ethanol experimental Figure formation formed H₂O hafnium heating hydrogen hydrolysis hydroxide infrared infrared spectra Inorg Inorganic interaction investigated ions iron(III isotherms kcal Khim Khimiya lanthanide lanthanum ligand melts metaphosphates method mixtures mole molecules Moscow Na₂HPO4 Nauk SSSR Neorg nickel(II obtained optical density oxide oxygen phosphate potassium precipitates protons range ratio reaction Russ salts shows sodium solid phase solid solutions solubility specimens spectrum stability constants structure studied sulphate Table temperature thermal tion titanium titration Translated from Zhurnal tungsten vanadium(III vibrations wavenumbers X-ray diffraction X-ray diffraction patterns Zhur Zhurnal Neorganicheskoi Khimii