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 124
... Isothermal Dehydration and X - Ray Diffraction Study To determine more precisely the composition and nature of the hydrated phases formed , we observed the isothermal dehydration of the original substance over sul- phuric acid solutions ...
... Isothermal Dehydration and X - Ray Diffraction Study To determine more precisely the composition and nature of the hydrated phases formed , we observed the isothermal dehydration of the original substance over sul- phuric acid solutions ...
Trang 162
... Isothermal dehydration showed that at 50 ° the tetra- hydrates of samarium and neodymium perrhenate lose three molecules of water , to give the monohydrates . The latter change to the anhydrous salt at 140-160 ° . The thermographic and ...
... Isothermal dehydration showed that at 50 ° the tetra- hydrates of samarium and neodymium perrhenate lose three molecules of water , to give the monohydrates . The latter change to the anhydrous salt at 140-160 ° . The thermographic and ...
Trang 174
... isothermal dehydration . It was also found that the com- pounds retain about 0.5-1.0 water molecule even at 450 ° . Complete dehydration takes place at 700-750 ° and is appa- rently accompanied by decomposition of the heteroniobates ...
... isothermal dehydration . It was also found that the com- pounds retain about 0.5-1.0 water molecule even at 450 ° . Complete dehydration takes place at 700-750 ° and is appa- rently accompanied by decomposition of the heteroniobates ...
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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