Russian Journal of Inorganic Chemistry, Tập 9,Phần 2British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1964 |
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Trang 946
... hafnium in nitric acid was prepared as already described 15 , using hafnium dioxide containing ~ 1 % ZrO2 . Working solutions of various known metal concen- trations and acidities were prepared by diluting the concen- trated solution ...
... hafnium in nitric acid was prepared as already described 15 , using hafnium dioxide containing ~ 1 % ZrO2 . Working solutions of various known metal concen- trations and acidities were prepared by diluting the concen- trated solution ...
Trang 948
... Hafnium with Metal Concentration This was investigated , using TBP and DAMP , at three nitric acid concentrations ( 2 , 3.5 , and 6.3 M ) . The results , shown in Fig . 4 and Tables 2-4 , indicate that the distribu- tion coefficient of ...
... Hafnium with Metal Concentration This was investigated , using TBP and DAMP , at three nitric acid concentrations ( 2 , 3.5 , and 6.3 M ) . The results , shown in Fig . 4 and Tables 2-4 , indicate that the distribu- tion coefficient of ...
Trang 1277
For hafnium oxide chloride Σmi = mнf + mнC1 and Evmi = MHf + 2MHC1 ; since the hafnium species are undisso- ciated , v = 1 . Rearrangement of Eqn . ( 5 ) gives the following expres- sion for the activity coefficient of hafnium species ...
For hafnium oxide chloride Σmi = mнf + mнC1 and Evmi = MHf + 2MHC1 ; since the hafnium species are undisso- ciated , v = 1 . Rearrangement of Eqn . ( 5 ) gives the following expres- sion for the activity coefficient of hafnium species ...
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INORGANIC | 829 |
Thermodynamic properties of magnesium antimonide | 842 |
O E ZVYAGINTSEV and V P TIKHONOV | 860 |
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absorption acid Akad alkali alloys ammonium ampoule analysis anion aqueous solutions atoms bromide caesium calculated carbon cations cerium Chem chemical chloride coefficient complex components composition compounds concentration corresponding crystal crystallisation curves decomposition decrease density determined diagonals dioxide dissociation electrical resistivity electrode equilibrium diagram erbium eutectic experimental extraction formation formed germanium germanium dioxide H₂O hafnium heating hydrochloric acid hydrogen increase Inorg ions isotherm kcal Khim lanthanum lattice ligand liquid lithium melting metal method mixture molar mole molybdenum Moscow Nauk SSSR neodymium Neorg niobium nitrate nitric acid obtained oxalate oxalato-groups oxide peritectic phosphate potassium praseodymium precipitate ratio reaction reciprocal system region rubidium Russ salt shows sodium solid phase solid solutions solu solubility solvent specimens spectra stability constants studied sulphate sulphur Table tellurium temperature ternary thallium thermal tion values vapour X-ray yttrium Zhur zirconium zirconyl