Russian Journal of Inorganic Chemistry, Tập 14,Phần 2British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1969 |
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Kết quả 1-3 trong 42
Trang 1229
... lanthanum hydroxide ; b ) washed lanthanum hydrox- ide ; c ) lanthanum basic carbonate . lanthanum basic carbonate 10 1 20 30 40 20 ° Figure 1. X - Ray patterns of solid products from the La2 ( SO4 ) 3 - NaOH - H2O system and of ...
... lanthanum hydroxide ; b ) washed lanthanum hydrox- ide ; c ) lanthanum basic carbonate . lanthanum basic carbonate 10 1 20 30 40 20 ° Figure 1. X - Ray patterns of solid products from the La2 ( SO4 ) 3 - NaOH - H2O system and of ...
Trang 1496
... lanthanum in the form of sulphate complexes depends to a considerable degree on the pH of the solution . At a pH greater than 6 the degree of extraction falls , since the concentration of n - dodecylammonium decreases due to the ...
... lanthanum in the form of sulphate complexes depends to a considerable degree on the pH of the solution . At a pH greater than 6 the degree of extraction falls , since the concentration of n - dodecylammonium decreases due to the ...
Trang 1532
... lanthanum oxide saturated with water vapour which has been dried at 100-105 ° C leads to a value close to 3 . We have recorded the X - ray powder diagrams of specimens of lanthanum oxide held to saturation at various values of H and t ...
... lanthanum oxide saturated with water vapour which has been dried at 100-105 ° C leads to a value close to 3 . We have recorded the X - ray powder diagrams of specimens of lanthanum oxide held to saturation at various values of H and t ...
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Akad alkali ammonium analysis anion aqueous solutions atoms barium bond caesium calcium calcium nitrate calculated carbonate cerium Chem chemical Chemistry cm-¹ complex formation components composition compounds concentration coordination corresponding crystallisation crystals curve decomposition density determined diagram dissociation electronic elements endothermic endothermic effect equilibrium eutectic experimental extraction Figure fluoride formed H₂O heating hydrate hydrochloric acid hydrogen hydroxide increase infrared infrared spectra Inorg interaction investigated ions iron(III isotherms kcal Khim lanthanides lanthanum ligand liquid mass melts metal methanol method mixture mole mole¹ molecules Moscow Nauk SSSR neodymium Neorg niobium nitrate obtained oxide chloride phosphate plexes potassium potentiometric precipitate pyridine range reaction rubidium Russ salt saturated shows sodium sodium chloride solid phases solid solutions solu solubility specimens spectrum stability constants structure studied sulphate Table temperature ternary thermal thermogram tion titanium values vibrations X-ray diffraction yttrium Zhur zirconium