Russian Journal of Inorganic Chemistry, Tập 32,Trang 1-617Chemical Society, 1987 |
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Kết quả 1-3 trong 79
Trang 43
... reaction of Cr2O5 with NHHF2 . Fig . 2a shows that the reaction begins after NH4HF2 has melted ( effect on the DTA curve at 120 ° C ) , and at a molar reagent ratio of 1 : 7 is accompanied by a mass loss of 23.8 % . X - Ray diffraction ...
... reaction of Cr2O5 with NHHF2 . Fig . 2a shows that the reaction begins after NH4HF2 has melted ( effect on the DTA curve at 120 ° C ) , and at a molar reagent ratio of 1 : 7 is accompanied by a mass loss of 23.8 % . X - Ray diffraction ...
Trang 200
... reaction rate in the SгO - Sr5Nb4O15 system indicate that the cation mobility has its highest values in these compounds . Never- theless , even in the 6MCO3 + Nb2O5 mixture , in which the reaction begins at 700 ° C ( X - ray diffraction ) ...
... reaction rate in the SгO - Sr5Nb4O15 system indicate that the cation mobility has its highest values in these compounds . Never- theless , even in the 6MCO3 + Nb2O5 mixture , in which the reaction begins at 700 ° C ( X - ray diffraction ) ...
Trang 241
... reaction ( 1 ) : counter - diffusion of Ca2 + and Na + ions ; reactions at the phase boundary : reaction ( 2 ) : Na , V , O , -2Na ++ Ca2 + -Na2CaV2O , Ca2 V2O , -Ca ++ 2Na * = Na2CaV2O , a ) diffusion of Ca2 + and O2- ions from NaCAVO ...
... reaction ( 1 ) : counter - diffusion of Ca2 + and Na + ions ; reactions at the phase boundary : reaction ( 2 ) : Na , V , O , -2Na ++ Ca2 + -Na2CaV2O , Ca2 V2O , -Ca ++ 2Na * = Na2CaV2O , a ) diffusion of Ca2 + and O2- ions from NaCAVO ...
Nội dung
The formation of alkali and alkaline earth metal | 7 |
A magnetochemical and spectral study of dilute solid | 15 |
Journal | 151 |
Bản quyền | |
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absorption acid Akad alkali metal anion atoms bands bond caesium calculated cations Chem chemical Chemistry chloride cm-¹ cm¯¹ cm¹ cobalt cobalt(II complex formation components composition compounds concentration constant containing coordination corresponding crystallisation crystals curves decrease determined diagram endothermic endothermic effect equilibrium ethanol europium eutectic experimental extraction Figure fluorides formed H₂O heating hydrated hydrazine hydrogen increase infrared spectra Inorg ionic ions isotherm Khim Khimiya lanthanide lanthanum ligand liquid mass melting method mixture molar molar volume mole molecules Moscow Nauk SSSR Neorg nitrate obtained oxide oxygen parameters phosphate polyphosphates potassium precipitate proton pyrochlore range ratio reaction reagent Russ Russ.J salt shows sodium solid phase solid solutions solubility specimens spectrum structure studied sulphate synthesis temperature ternary thermal analysis tion Translated from Zhurnal values vanadium vibrations wavenumbers X-ray diffraction X-ray diffraction patterns Zhur Zhur.Neorg Zhurnal Neorganicheskoi Khimii zirconium