Russian Journal of Inorganic Chemistry, Tập 12,Phần 1British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1967 |
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Trang 67
... hafnium derivatives ( Fig . 2 ) differ only in the absorption band at ~ 960 cm for the zirconium compound and ~ 990 cm - 1 for the hafnium compound . These bands are not shown by the original compounds , indicating that they are due to ...
... hafnium derivatives ( Fig . 2 ) differ only in the absorption band at ~ 960 cm for the zirconium compound and ~ 990 cm - 1 for the hafnium compound . These bands are not shown by the original compounds , indicating that they are due to ...
Trang 278
... hafnium distribution coef- ficients in these extractions by tributyl phosphate . It might be supposed that the increase in the distribution coefficients of zirconium and hafnium was brought about by the formation of butyl dihydrogen and ...
... hafnium distribution coef- ficients in these extractions by tributyl phosphate . It might be supposed that the increase in the distribution coefficients of zirconium and hafnium was brought about by the formation of butyl dihydrogen and ...
Trang 783
... hafnium , thorium , and cerium ( IV ) of the general formula MO.2H2O , or , written in the hydroperoxo - form , M ( OH ) , O2H . Their structure is represented as follows : HO 3 OH HO оон The peroxide compounds of zirconium and hafnium ...
... hafnium , thorium , and cerium ( IV ) of the general formula MO.2H2O , or , written in the hydroperoxo - form , M ( OH ) , O2H . Their structure is represented as follows : HO 3 OH HO оон The peroxide compounds of zirconium and hafnium ...
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absorption spectra acetate activity coefficients Akad alcohol alkali metal amine ammonia ammonium analysis anhydrous anion aqueous solutions atoms bond caesium calculated Chem chemical Chemistry chloride cm-¹ complex formation composition compounds concentration coordination copper corresponding crystallisation crystals curve decomposition determined diagram dissociation equation equilibrium europium experimental extraction fluoride formed frequencies H₂O hafnium heating hydrate hydrochloric acid hydrogen hydrolysis hydroxide increase Inorg ionic strength ions Khim ligand litre-¹ method mixture molar mole molecules Moscow Nauk SSSR neodymium Neorg niobium nitrate obtained optical density organic phase oxalate oxide perchlorate phosphate platinum platinum(II plexes potassium precipitate ratio reaction Russ salt scandium shows sodium solid phases solid solutions solu solubility solvate spectrum stability constants stretching vibrations studied sulphate Table temperature terbium thermal thermogram thorium tion titanium tributyl phosphate values X-ray Xylenol Orange Zhur zirconium