Russian Journal of Inorganic Chemistry, Tập 10,Phần 1British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1965 |
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Trang 64
... hexaborides of rare - earth and alkaline earth elements allows the substances to be separated into three groups . The hexaborides of yttrium , lanthanum , cerium , praseo- dymium , neodymium , gadolinium , and terbium have a ...
... hexaborides of rare - earth and alkaline earth elements allows the substances to be separated into three groups . The hexaborides of yttrium , lanthanum , cerium , praseo- dymium , neodymium , gadolinium , and terbium have a ...
Trang 65
... hexaboride is not clear and it has not been discussed in the literature even on a hypothetical level . To collect experimental evidence on the valence state of the r.e.e. atoms in the hexaborides we have made a syste- matic examination ...
... hexaboride is not clear and it has not been discussed in the literature even on a hypothetical level . To collect experimental evidence on the valence state of the r.e.e. atoms in the hexaborides we have made a syste- matic examination ...
Trang 66
... hexaboride . Form of the La , ( a ) , La , ( b ) , and Log ( c ) emission 1 TABLE . Relative energy level of maxima in the hyper- fine structure in the spectra of Sm and Eu in the hexaborides ( eV ) . Maxima Compounc A ' A a B B C Y D 8 ...
... hexaboride . Form of the La , ( a ) , La , ( b ) , and Log ( c ) emission 1 TABLE . Relative energy level of maxima in the hyper- fine structure in the spectra of Sm and Eu in the hexaborides ( eV ) . Maxima Compounc A ' A a B B C Y D 8 ...
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absorption spectra acid Akad alkali aluminium ammonia ammonium analysis aqueous solutions atoms band beryllium beryllium chloride bromide caesium calculated carbonate cation cerium cerium(IV Chem chemical chloride chromium(III cm-¹ coefficient composition compounds concentration constant crystallisation crystals curve decomposition density determined diagram dissociation EDPA equilibrium experimental extraction fluoride formed gallium H₂O heat capacity hexaborides hydrates hydrochloric acid hydrogen hydrolysis hydroxide increase indium infrared Inorg ionic strength iron(III isotherms K₁ kcal Khim lanthanum ligands liquid lithium melting metal methanol method mixture molar mole molecules Nauk SSSR Neorg niobium nitrate obtained oxalic oxalic acid oxide perchlorate perrhenate phosphate platinum(II plexes potassium precipitate prepared ratio reaction rhenium rubidium Russ ruthenium salicylaldehyde salts samarium shows sodium solid phase solu solubility solvents specimens studied sulphate sulphur Table temperature thallium thermal thermograms thiourea tion values X-ray yttrium Zhur zinc zinc bromide zirconium