Russian Journal of Inorganic Chemistry, Tập 22Chemical Society., 1977 |
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Kết quả 1-3 trong 80
Trang 37
... precipitate . Thus there are an average of four OH groups per Ln2O3.2TiO2 molecule , and five OH groups per Ln2O3.3 TiO2 molecule . The number of water molecules increases from 80-110 to 110-140 respec- tively . The fresh precipitates ...
... precipitate . Thus there are an average of four OH groups per Ln2O3.2TiO2 molecule , and five OH groups per Ln2O3.3 TiO2 molecule . The number of water molecules increases from 80-110 to 110-140 respec- tively . The fresh precipitates ...
Trang 354
... precipitates were obtained imme- diately in both cases . The precipitates consist of fine irregular crystals which are easily filtered . The reaction mixtures were kept for 12 h at room temperature , filtered off on a No. 4 porous glass ...
... precipitates were obtained imme- diately in both cases . The precipitates consist of fine irregular crystals which are easily filtered . The reaction mixtures were kept for 12 h at room temperature , filtered off on a No. 4 porous glass ...
Trang 394
... Precipitates with a similar composition were obtained on titration of acidified sodium tellurite solutions with an ammonium vanadate solution . The V : Te ratio in the precipitate was determined by the method developed previously . The ...
... Precipitates with a similar composition were obtained on titration of acidified sodium tellurite solutions with an ammonium vanadate solution . The V : Te ratio in the precipitate was determined by the method developed previously . The ...
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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