Russian Journal of Inorganic Chemistry, Tập 6,Số phát hành 7-12British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1961 |
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Trang 805
... PRASEODYMIUM TO FORM COMPLEXES N. S. Vagina and Yang Yu - liang The separation of neodymium - praseodymium ( didy- mium ) mixtures into their components has been one of the most complex problems in the preparation of pure rare earth ...
... PRASEODYMIUM TO FORM COMPLEXES N. S. Vagina and Yang Yu - liang The separation of neodymium - praseodymium ( didy- mium ) mixtures into their components has been one of the most complex problems in the preparation of pure rare earth ...
Trang 806
... praseodymium and neodymium distribution was also followed from the ß- -activity of the radioactive tracers 142 Pr and 147Nd . The influence of the complex - forming reagent EDTA on the separation of " didymium " was observed in the ...
... praseodymium and neodymium distribution was also followed from the ß- -activity of the radioactive tracers 142 Pr and 147Nd . The influence of the complex - forming reagent EDTA on the separation of " didymium " was observed in the ...
Trang 807
... praseodymium- -rich mixture can be used as starting material for the pre- paration of pure praseodymium . Further separation of the enriched mixtures of Pr and Nd by ion exchange yields 99.9 % pure specimens in one chromatographic cycle ...
... praseodymium- -rich mixture can be used as starting material for the pre- paration of pure praseodymium . Further separation of the enriched mixtures of Pr and Nd by ion exchange yields 99.9 % pure specimens in one chromatographic cycle ...
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acid Akad alcohol alkali alloys aluminium ammonia ammonium anion aqueous solution Blagorod bromide cadmium caesium calculated carbonate cerium Chem chemical chloride coefficient complex ion composition concentration copper corresponding cristobalite crystallisation crystals decomposition determined dissociation electrode equilibrium diagram ether ethyl eutectic formation formed gallium glauberite H₂O H₂SO heating curve hydrogen hydroxide increase indium Inorg Inst instability constant ionic strength isotherms K₂SO Khim ligands liquid lithium melting metal method molar ratio molar volumes mole molecules MTPC Na₂SO NaCl Nauk SSSR neodymium Neorg nitrate nitrilotriacetic acid NO₂ Obshch obtained oxide platinum Platiny Drug polyhalite potassium praseodymium precipitate prepared pyridine reaction reagent refractive refractive indices Russ salt saturated shows sodium solid phase solid solutions solubility solvents stability studied sulphate sulphide Table temperature thallium tin selenide tion titanium trans effect uranyl values X-ray Zhur zinc zirconium