Russian Journal of Inorganic Chemistry, Tập 8,Phần 2British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1963 |
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... niobium ( V ) * . k = [ M ( OH ) + 1 ] [ OH- ] [ M ( OH ) " ] ; K [ M ( OH ) ] [ OH ] [ M ( OH ) s ] n5 ; M = Ta , Nb Hydroxo- -complex k pk K PK Ta ( OH ) 4+ Ta ( OH ) 2+ 2.5-10-30 2.5-10-27 Ta ( OH ) 3 * 2+ 4.0.10-23 29.6 26.6 22.4 Ta ( ...
... niobium ( V ) * . k = [ M ( OH ) + 1 ] [ OH- ] [ M ( OH ) " ] ; K [ M ( OH ) ] [ OH ] [ M ( OH ) s ] n5 ; M = Ta , Nb Hydroxo- -complex k pk K PK Ta ( OH ) 4+ Ta ( OH ) 2+ 2.5-10-30 2.5-10-27 Ta ( OH ) 3 * 2+ 4.0.10-23 29.6 26.6 22.4 Ta ( ...
Trang 1401
... niobium ( tantalum , titanium ) - phos- phate system . Information is available on the compo- sition of the phosphates of niobium , tantalum , and titanium . In 5-8 M H2SO4 , phosphoric acid precipitates niobium and tantalum phosphates ...
... niobium ( tantalum , titanium ) - phos- phate system . Information is available on the compo- sition of the phosphates of niobium , tantalum , and titanium . In 5-8 M H2SO4 , phosphoric acid precipitates niobium and tantalum phosphates ...
Trang 1513
... Niobium ( V ) bromide X - ray diffraction study of 1315 Niobium ( II ) carbide oxidation 1042 Niobium ( IV ) carbide -hafnium carbide - zirconium carbide system 1040 Niobium ( V ) chloride -aluminium chloride - tin ( IV ) chloride ...
... Niobium ( V ) bromide X - ray diffraction study of 1315 Niobium ( II ) carbide oxidation 1042 Niobium ( IV ) carbide -hafnium carbide - zirconium carbide system 1040 Niobium ( V ) chloride -aluminium chloride - tin ( IV ) chloride ...
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absorption Akad alkali metal alloys aluminium ammonia ammonium analysis anion aqueous solutions atoms beryllium binary calculated cations cerium Chem chemical Chemistry cm³ coefficient complex composition compounds concentration coprecipitation corresponding crystallisation crystals decomposition determined dissociation EDTA electrical conductivity endothermic endothermic effect equilibrium diagram eutectic experimental extraction formation formed g-ion germanium germanium dioxide glaserite H₂O hafnium hydrates hydride hydrogen hydrolysis hydroxide increase Inorg ions isotherm kcal Khim lattice ligand liquid lithium litre magnesium measured melting method mixture molar mole molecules Moscow Nauk SSSR Neorg niobium nitrate obtained oxide chloride peritectic potassium precipitate prepared ratio reaction refractive rhenium Russ salts shows sodium solid phase solid solutions solu solubility specimen stability constants structure studied sulphate Table tantalum temperature ternary thallium thermal thermograms thorium tion uranyl uranyl nitrate values vapour X-ray Zhur zinc zirconium