Russian Journal of Inorganic Chemistry, Tập 37,Trang 109-728Chemical Society, 1992 |
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Trang 423
... niobium ( V ) species ( -24 mV ) , to that of the sections gf of curves I and II in Fig . 4 corresponding to the predominance of the dinuclear niobium ( V ) species ( -16 mV ) .17 As for CH , SO . 3-6 M ( curves III and IV in Fig . 4 ) ...
... niobium ( V ) species ( -24 mV ) , to that of the sections gf of curves I and II in Fig . 4 corresponding to the predominance of the dinuclear niobium ( V ) species ( -16 mV ) .17 As for CH , SO . 3-6 M ( curves III and IV in Fig . 4 ) ...
Trang 716
... niobium extraction from a solution containing 0.5 M niobium and 25 M HF is explained by the markedly lower ... ( V .: Va = 1 : 1 ) : 0.05 ( 1 ) , 0.5 M Nb ( 2 ) . b 3 60 1 2 3 4 [ Ti ] [ Si ] / mol dm -3 Figure 2 . Effect of titanium extraction ...
... niobium extraction from a solution containing 0.5 M niobium and 25 M HF is explained by the markedly lower ... ( V .: Va = 1 : 1 ) : 0.05 ( 1 ) , 0.5 M Nb ( 2 ) . b 3 60 1 2 3 4 [ Ti ] [ Si ] / mol dm -3 Figure 2 . Effect of titanium extraction ...
Trang 717
... niobium content ( 0.5 mol dm3 ) . For iron , its effect could only be followed for 0.5 M concentrations owing to the ... V .: Va 1 : 1 increased from 33 to 61 % . This suggests that the fraction of niobium in the aqueous solution as NbF ...
... niobium content ( 0.5 mol dm3 ) . For iron , its effect could only be followed for 0.5 M concentrations owing to the ... V .: Va 1 : 1 increased from 33 to 61 % . This suggests that the fraction of niobium in the aqueous solution as NbF ...
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Journal of 761 V | 109 |
Variations in the structure of synthetic malachite 117 257 | 117 |
A new form of sodium tetrafluorolutetate NaLuF4 125 273 | 125 |
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1991 Translated absorption acid Akad analysis angles anion aqueous solutions bands bond lengths calcium calculated cations chelate Chem chemical Chemistry chloride chromium(III cm-¹ cm¯¹ cm¹ cobalt(II complex formation composition compounds concentration containing coordination sphere copper(II corresponding crystal structure crystallisation curves decomposition decrease determined electron English translation equilibrium experimental formed glass formation region H₂O heating hydrogen hydrolysis hydroxide increase Inorg Inorganic interaction ions Khim lattice layers ligand metal method mixture molecules Moscow Neorg Neorganicheskoi Khimii 37 nickel(II niobium(V nitrate obtained octahedral oxide parameters phosphate porphyrins present properties protons range ratio reaction reagent salt solid phases solid solutions solubility solvent sorbent sorption space group specimens spectrum studied synthesis Table tantalum(V temperature ternary thermal tin dioxide Translated from Zhurnal translation in Russ values vibrations wavenumbers X-ray diffraction Zhurnal Neorganicheskoi Khimii zirconium