Russian Journal of Inorganic Chemistry, Tập 22Chemical Society., 1977 |
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Kết quả 1-3 trong 87
Trang 61
... investigated by potentiometric pH titration and conducti- metric methods and by determining the residual concentrations . Ce ( WO4 ) 2 ( at pH 2 ) and M2Ce ( WO4 ) 3 ( at pH 3-8 ) are formed . Double tungstates of cerium ( IV ) and ...
... investigated by potentiometric pH titration and conducti- metric methods and by determining the residual concentrations . Ce ( WO4 ) 2 ( at pH 2 ) and M2Ce ( WO4 ) 3 ( at pH 3-8 ) are formed . Double tungstates of cerium ( IV ) and ...
Trang 271
... investigated by thermal analysis ( DTA , VPM ) . The crystalli- sation fields of the components and the congruently melting compound NaCI.Na2WO , have been mapped . This system is singular and is characterised by the existence of three ...
... investigated by thermal analysis ( DTA , VPM ) . The crystalli- sation fields of the components and the congruently melting compound NaCI.Na2WO , have been mapped . This system is singular and is characterised by the existence of three ...
Trang 482
... investigated by the visual - polythermal method as applied to melts which crystallise with difficulty ' and partly by DTA and X - ray diffraction . The Na3PO4 - NaPO3 - BPC4 - B2O3 - NaBO2 part of the system was investigated . Sodium ...
... investigated by the visual - polythermal method as applied to melts which crystallise with difficulty ' and partly by DTA and X - ray diffraction . The Na3PO4 - NaPO3 - BPC4 - B2O3 - NaBO2 part of the system was investigated . Sodium ...
Nội dung
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