Russian Journal of Inorganic Chemistry, Tập 22Chemical Society., 1977 |
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Kết quả 1-3 trong 45
Trang 53
... lanthanides with urea . Thus Canneri1 obtained anhydrous urea complexes of lanthanum , cerium , and neodymium having the compositions M ( CH , COO ) ̧.3 CO ( NH2 ) 2 . Treatment of certain lanthanide chlorides with a solution of urea in ...
... lanthanides with urea . Thus Canneri1 obtained anhydrous urea complexes of lanthanum , cerium , and neodymium having the compositions M ( CH , COO ) ̧.3 CO ( NH2 ) 2 . Treatment of certain lanthanide chlorides with a solution of urea in ...
Trang 55
... lanthanide nitrate and ammonium nitrate in molar proportions of 1:10 . After adding the last portion , the solution was stirred for a further 20 min . Next , the precipitate was filtered off , and washed with water , acetone , and ether ...
... lanthanide nitrate and ammonium nitrate in molar proportions of 1:10 . After adding the last portion , the solution was stirred for a further 20 min . Next , the precipitate was filtered off , and washed with water , acetone , and ether ...
Trang 379
... lanthanide cadmium titanoniobates described pre- viously3 , the compounds CdLnZrNbO , crystallise in two structural types depending on the variety of lanthanide , i.e. in the series of lanthanides there is a transition from the ...
... lanthanide cadmium titanoniobates described pre- viously3 , the compounds CdLnZrNbO , crystallise in two structural types depending on the variety of lanthanide , i.e. in the series of lanthanides there is a transition from the ...
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JOURNAL | 1 |
olatilisation and thermodynamic properties | 6 |
Reaction of tricalcium orthophosphate with | 33 |
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absorption band absorption spectra acid Akad alkali metal ammonium analysis anion aqueous solutions atoms bond bromine calculated cations cerium Chem chemical Chemistry chloride cm-¹ cm¹ complex formation composition compounds concentration coordination copper(II corresponding crystallisation crystals curve decomposition decrease dehydration density determined electron endothermic endothermic effects equilibrium diagram erbium ethanol experimental Figure formed H₂O hafnium heating hydrate hydrogen hydrolysis hydroxides increase infrared spectra Inorg interaction investigated ions iron(III isotherm Khim Khimiya lanthanide lanthanum ligand melts metaphosphates method mixtures mole molecules Moscow Na₂HPO4 Nauk SSSR neodymium Neorg nickel(II obtained oxide oxygen parameters phosphate phosphorite polyphosphates potassium precipitate protons pyrochlore range ratio reaction Russ salts shows sodium solid phase solid solutions solubility specimens spectrum stability constants structure studied sulphates Table temperature thermal tion titration Translated from Zhurnal tungstates tungsten vanadium(V vibrations wavenumbers X-ray diffraction X-ray diffraction patterns Zhur Zhurnal Neorganicheskoi Khimii