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Translated from Zhurnal Neorganicheskoi Khimii 37 1403–1407 ( 1992 ) U.D.C. 546.883 : 542.61 of F - for forming the well - extracted HTaFo complex . This is confirmed by the position of the maxima on the tantalum extraction curves ( Fig ...
Translated from Zhurnal Neorganicheskoi Khimii 37 1403–1407 ( 1992 ) U.D.C. 546.883 : 542.61 of F - for forming the well - extracted HTaFo complex . This is confirmed by the position of the maxima on the tantalum extraction curves ( Fig ...
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Under corresponding conditions , i.e. , for ( HF ) = 10 and 25 mol dm ? , ?, niobium extraction at V .: V. 1 : 1 increased from 33 to 61 % . This suggests that the fraction of niobium in the aqueous solution as NbF7 increases with ...
Under corresponding conditions , i.e. , for ( HF ) = 10 and 25 mol dm ? , ?, niobium extraction at V .: V. 1 : 1 increased from 33 to 61 % . This suggests that the fraction of niobium in the aqueous solution as NbF7 increases with ...
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These data ( assuming that the ratio of the activity coefficients of the solvate and the extracting agent is constant ) ... 11/2 1 + 1.6 / 1 / 2 5 lg Ke -2 o Lici Ře was calculated using our data and published data on the extraction of ...
These data ( assuming that the ratio of the activity coefficients of the solvate and the extracting agent is constant ) ... 11/2 1 + 1.6 / 1 / 2 5 lg Ke -2 o Lici Ře was calculated using our data and published data on the extraction of ...
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Contents | 605 |
N Shchegrov N M Antraptseva N V Ryabtseva | 612 |
S A Onorin V V Volkhin M B Khodyashev N D Zakhorov T A Denisova | 620 |
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ABSTRACT according acid activity addition analysis angles anion appearance aqueous solutions atoms bands bond calculated carried cations characteristic Chem chemical Chemistry chloride complexes components composition compounds concentration constants containing coordination copper corresponding crystal crystallisation curves decomposition decrease dependence described determined effect electron energy English translation equilibrium ether experimental extraction Figure formation formed given gives groups heating hydrate hydrogen increase indicates Inorg ions Khim Khimii leads ligand lines mass materials measured metal method mixture molecules Moscow Neorg nitrate observed obtained oxide oxygen parameters phase points positions possible precipitate prepared present properties published range ratio reaction References region respectively Russian salt shows similar solid solutions solubility solution specimens spectra spectrum stability structure studied surface synthesis Table temperature thermal translation in Russ values X-ray diffraction