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31 , Moscow , 117907 Russia Received March 6 , 1995 Abstract - Vanadyl phosphite VOHPO3 · 5H20 was prepared by reacting VOSO4 with a solution of phosphorous acid . The compound was characterized by X - ray diffraction , IR spectroscopy ...
31 , Moscow , 117907 Russia Received March 6 , 1995 Abstract - Vanadyl phosphite VOHPO3 · 5H20 was prepared by reacting VOSO4 with a solution of phosphorous acid . The compound was characterized by X - ray diffraction , IR spectroscopy ...
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The solid - solution extractants were aliphatic monocarboxylic acids ( AMCs ) Cir C20 mixed with alkylaniline ( AA ) , trialkylamine ( TAA ) , di - n - octyl sulfide ( DOS ) , or di ( 2 - ethylhexyl ) dithiophosphoric acid ( HEHDTP ) .
The solid - solution extractants were aliphatic monocarboxylic acids ( AMCs ) Cir C20 mixed with alkylaniline ( AA ) , trialkylamine ( TAA ) , di - n - octyl sulfide ( DOS ) , or di ( 2 - ethylhexyl ) dithiophosphoric acid ( HEHDTP ) .
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The mineral acid concentrations were selected on the basis of preliminary studies of extraction of noble metals at an elevated ( 343 + 1 K ) temperature using the mixtures specified [ 2 , 3 ] . The aqueous - phase acidity range was ...
The mineral acid concentrations were selected on the basis of preliminary studies of extraction of noble metals at an elevated ( 343 + 1 K ) temperature using the mixtures specified [ 2 , 3 ] . The aqueous - phase acidity range was ...
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Vol 41 No 1 | 1 |
Synthesis and Characterization | 7 |
Deviation from Stoichiometry in Mercury Chalcochromite HgCr2Se4 | 23 |
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absorption According acid addition analysis angles anions atoms band bismuth bond calculated cations cell changes Chem chemical Chemistry chloride complexes composition compounds concentration conductivity constants containing coordination copper Copyright corresponding crystal curves decomposition decrease dependence determined effect electron elements energy equation equilibrium experimental extraction formation formed frequencies function given heating hydrogen increase indicates Inorganic intensity interaction ions Khim ligand measured melting metal method mixture mol/l molecules Moscow Nauk Neorg observed obtained occurs oxide oxygen parameters patterns peak phase Physics points position possible potassium prepared presence properties Publishing range ratio reaction REFERENCES region respectively Russian salts samples Sciences shows similar sodium solid solutions space group spectra spectrum stability structure studied synthesis Table temperature thermal tion titration Translation unit values vibrations X-ray diffraction