Russian Journal of Inorganic Chemistry, Tập 15,Phần 1British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1970 |
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... rhenium from solutions with lower acidities than the values given was not studied . Table 1. Characteristics of the extracting agents used . Amine Formula Boiling point . ° C / mmHg Solubility in water , % Purity , % E , % 100 80 99990 ...
... rhenium from solutions with lower acidities than the values given was not studied . Table 1. Characteristics of the extracting agents used . Amine Formula Boiling point . ° C / mmHg Solubility in water , % Purity , % E , % 100 80 99990 ...
Trang 164
... rhenium obtained in sulphuric acid solution in the presence of Fe ions as the reducing agent described in a previous paper . It had been found that the rhenium ( VI ) solution had a pink colour in concentrated sul- phuric acid and gave ...
... rhenium obtained in sulphuric acid solution in the presence of Fe ions as the reducing agent described in a previous paper . It had been found that the rhenium ( VI ) solution had a pink colour in concentrated sul- phuric acid and gave ...
Trang 165
... rhenium ( VII ) to rhenium ( VI ) , but the reaction comes nearer to completion in the acid containing sulphur dioxide . REDUCTION OF RHENIUM HEPTOXIDE DISSOLVED IN SULPHURIC ACID WITH SULPHUR DIOXIDE We determined the degree of ...
... rhenium ( VII ) to rhenium ( VI ) , but the reaction comes nearer to completion in the acid containing sulphur dioxide . REDUCTION OF RHENIUM HEPTOXIDE DISSOLVED IN SULPHURIC ACID WITH SULPHUR DIOXIDE We determined the degree of ...
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JOURNAL | 1 |
Isolation of ammonium zirconium double sulphates from | 33 |
The K₂SO4NH42SO4ZnSO4H₂O system at 25 | 109 |
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absorption bands absorption spectra acid solutions alkali metal aluminium ammonia ammonium analysis anion aqueous solution atom cadmium caesium calculated cerium Chem chemical Chemistry chloride cm-¹ cm¹ complex formation composition compounds concentration constant coordination corresponding crystallisation crystals curve determined diagram dioxide endothermic endothermic effect equilibrium ethanol ether europium experimental extraction Figure fluoride formed germanium H₂O hafnium heating hydrates hydrogen hydrolysis infrared infrared spectra Inorg investigated ions isotherm Khim lanthanum ligand lithium melting method mixture molar ratio mole molecules Moscow Nauk Neorg nickel nitrate nitric acid nitrogen obtained oxalate oxide perchloric perchloric acid phosphate potassium praseodymium precipitate prepared pyridine range reaction rhenium Russ salt scandium shows sodium solid phases solubility specimens spectrum studied sulphuric acid Table temperature tetrahydroborate thermogram tion Translated into Russian uranium hydride values vanadium vibrations X-ray diffraction yttrium Zhur zinc zirconium zirconium and hafnium