Russian Journal of Inorganic Chemistry, Tập 37,Trang 109-728Chemical Society, 1992 |
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Kết quả 1-3 trong 7
Trang 352
... tantalum ( III , V ) with niobium ( III , V ) in sulphuric acid solutions 420 ( 839 ) V I Ivanenko , G I Kadyrova Heteropolynuclear complex formation in the joint hydrolysis of iron ( III ) and chromium ( III ) in nitrate solutions 424 ...
... tantalum ( III , V ) with niobium ( III , V ) in sulphuric acid solutions 420 ( 839 ) V I Ivanenko , G I Kadyrova Heteropolynuclear complex formation in the joint hydrolysis of iron ( III ) and chromium ( III ) in nitrate solutions 424 ...
Trang 423
= indicated by the decrease [ in the presence of tantalum ( V ) ] in the slope of the linear sections ƒk of the curves in Fig . 4 from that corresponding to the predominance of the trinuclear niobium ( V ) species ( -24 mV ) , to that ...
= indicated by the decrease [ in the presence of tantalum ( V ) ] in the slope of the linear sections ƒk of the curves in Fig . 4 from that corresponding to the predominance of the trinuclear niobium ( V ) species ( -24 mV ) , to that ...
Trang 711
... tantalum extraction with increasing [ HF ] is the competing extraction of HF . RTa / % 80 60 40 Table 1 . Tantalum extraction in the presence of fluorometallic acids , % ( V : V. = 1:10 ) . Va × 1 • 2 20 Component content , mol dm - 3 ...
... tantalum extraction with increasing [ HF ] is the competing extraction of HF . RTa / % 80 60 40 Table 1 . Tantalum extraction in the presence of fluorometallic acids , % ( V : V. = 1:10 ) . Va × 1 • 2 20 Component content , mol dm - 3 ...
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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