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acid activity added addition Akad alcohol alkali alloys analysis aqueous atoms bond boron calculated carbon carbon tetrachloride Chem chemical chloride complex components composition compounds concentration conductivity constant containing corresponding crystallisation crystals curves decomposition decrease dependence determined diagram dissolved distribution effect equilibrium eutectic experimental experiments extraction formation formed gallium gave given gives groups H₂O heat hydrogen hydroxide increase indicates initial isotherms Khim lead liquid lower measured melting metal method mixture molar mole molecules NaOH Nauk SSSR Neorg nitrate nitric observed obtained occurs organic phase oxide phase potassium precipitate prepared presence properties pure ratio reaction Received region salt separated shown shows sodium solid solid solutions solubility solution specimens stable structure studied substance Table temperature thermal tion uranium uranyl values volume weight X-ray yield Zhur