Russian Journal of Inorganic Chemistry, Tập 15,Phần 1British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1970 |
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Trang 19
The depression of the values of X in the range of low sulphuric acid concentrations in pure solutions of zircon- ium and hafnium can be explained by the partial hydrolysis of ZrIV ( HfIV ) and the consequent formation of precipitates of ...
The depression of the values of X in the range of low sulphuric acid concentrations in pure solutions of zircon- ium and hafnium can be explained by the partial hydrolysis of ZrIV ( HfIV ) and the consequent formation of precipitates of ...
Trang 79
acid and metal , with 2 ml of a 0.05 M toluene solution of the amine , in a separating funnel , for 2 min . Prelimi- nary experiments established that this is sufficient time for equilibrium to be established in the system . be removed ...
acid and metal , with 2 ml of a 0.05 M toluene solution of the amine , in a separating funnel , for 2 min . Prelimi- nary experiments established that this is sufficient time for equilibrium to be established in the system . be removed ...
Trang 201
... acids were calculated from the equations given earlier1 . The optical density of solutions of Nitchromazo at 700 nm increases with increase in the concentration of perchloric acid , but in 9-10 M perchloric acid solutions it changes ...
... acids were calculated from the equations given earlier1 . The optical density of solutions of Nitchromazo at 700 nm increases with increase in the concentration of perchloric acid , but in 9-10 M perchloric acid solutions it changes ...
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JOURNAL | 1 |
Isolation of ammonium zirconium double sulphates from | 33 |
The K₂SO4NH42SO4ZnSO4H₂O system at 25 | 109 |
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absorption bands absorption spectra acid solutions alkali metal aluminium ammonia ammonium analysis anion aqueous solution atom cadmium caesium calculated cerium Chem chemical Chemistry chloride cm-¹ cm¹ complex formation composition compounds concentration constant coordination corresponding crystallisation crystals curve determined diagram dioxide endothermic endothermic effect equilibrium ethanol ether europium experimental extraction Figure fluoride formed germanium H₂O hafnium heating hydrates hydrogen hydrolysis infrared infrared spectra Inorg investigated ions isotherm Khim lanthanum ligand lithium melting method mixture molar ratio mole molecules Moscow Nauk Neorg nickel nitrate nitric acid nitrogen obtained oxalate oxide perchloric perchloric acid phosphate potassium praseodymium precipitate prepared pyridine range reaction rhenium Russ salt scandium shows sodium solid phases solubility specimens spectrum studied sulphuric acid Table temperature tetrahydroborate thermogram tion Translated into Russian uranium hydride values vanadium vibrations X-ray diffraction yttrium Zhur zinc zirconium zirconium and hafnium