Russian Journal of Inorganic Chemistry, Tập 11,Phần 1British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1966 |
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Trang 164
... concentration is shown in Fig . 1 . The dialysis coefficient for niobium ions reaches a maximal value at a niobium concentration of 1 x 10-3 M in 4 M H2SO ; for higher niobium concentrations ( 2.5 x × 10-3-1 x 10-2 M ) the maximum value ...
... concentration is shown in Fig . 1 . The dialysis coefficient for niobium ions reaches a maximal value at a niobium concentration of 1 x 10-3 M in 4 M H2SO ; for higher niobium concentrations ( 2.5 x × 10-3-1 x 10-2 M ) the maximum value ...
Trang 168
... concentration shows an inflection in the concentration range 0.006-0.008 M Zr ( Fig . 4 ) . The magnitude of the distribution constant of zirconium for extraction from sulphate solutions by tri - n - octylamine begins to decrease from ...
... concentration shows an inflection in the concentration range 0.006-0.008 M Zr ( Fig . 4 ) . The magnitude of the distribution constant of zirconium for extraction from sulphate solutions by tri - n - octylamine begins to decrease from ...
Trang 420
... concentration , M HCIO , concentration of 0.1 M zirconium con- hafnium con- centration , M centration , M 5.0x10 8.0x10 5.0x10 8.0x10 Sodium thiocyanate concentration , M Optical density of solutions at an HCIO , concentration of 0.8 M ...
... concentration , M HCIO , concentration of 0.1 M zirconium con- hafnium con- centration , M centration , M 5.0x10 8.0x10 5.0x10 8.0x10 Sodium thiocyanate concentration , M Optical density of solutions at an HCIO , concentration of 0.8 M ...
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acid solutions Akad alcohol alkali aluminium aluminium chloride amine analysis anion aqueous solutions bond boron trichloride boron trifluoride caesium calculated cation Chem chemical Chemistry chloride chromium(II cm-¹ Co(DH cobalt complex composition concentration coordination corresponding crystals curve decomposition decrease dehydration determined diagram diborane diglyme electrode enthalpies of dissolution equilibrium ether addition compound ethylenediamine europium eutectic extracting agent formed g-ion gadolinium germanium dioxide H₂O hafnium heated hydrates hydrochloric acid hydrogen hydroxide increase Inorg ions iron(III isothermal kcal Khim ligands melting metal method mixture mmoles molar mole molecules Moscow MZPC Nauk SSSR Neorg nickel niobium obtained optical density orthosilicate oxide potassium precipitate prepared PtCl pyrophosphate quantity ratio reaction reduction residue rubidium Russ salt shows sodium tetrahydroaluminate solubility solvents studied sulphate Table temperature ternary tetrahydrofuran thermal thiourea tion titration triammine uranium(IV values X-ray Zhur zirconium