Russian Journal of Inorganic Chemistry, Tập 22Chemical Society., 1977 |
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Kết quả 1-3 trong 34
Trang 59
... hafnium . = The formation of the zirconium and hafnium complexes of OA BA and PABA was investigated in the range of M : L ratios between 1 : 1 and 1 : 600 . All the experiments were performed at 25 ° C . The reagents were introduced ...
... hafnium . = The formation of the zirconium and hafnium complexes of OA BA and PABA was investigated in the range of M : L ratios between 1 : 1 and 1 : 600 . All the experiments were performed at 25 ° C . The reagents were introduced ...
Trang 571
... hafnium DHf on its concentration in the solution at constant [ H * ] , [ SCN ] , and [ CyHlorg was studied first . In the range 1.0 × 10-1.0 x 10-2 M HfO2 at an acidity 2 N HCl , DHf does not depend on the concentration of hafnium in ...
... hafnium DHf on its concentration in the solution at constant [ H * ] , [ SCN ] , and [ CyHlorg was studied first . In the range 1.0 × 10-1.0 x 10-2 M HfO2 at an acidity 2 N HCl , DHf does not depend on the concentration of hafnium in ...
Trang 836
... hafnium ( 3 ) . Recorded on a UR - 20 instrument , 0.1 N HCl . The absorption bands at 1490 cm - 1 and 1510 cm1 are due to the vibrations of the hydroxyl groups of the naphthol and phenol rings respectively 10. In the spectrum of the ...
... hafnium ( 3 ) . Recorded on a UR - 20 instrument , 0.1 N HCl . The absorption bands at 1490 cm - 1 and 1510 cm1 are due to the vibrations of the hydroxyl groups of the naphthol and phenol rings respectively 10. In the spectrum of the ...
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COORDINATION equalisation of the electronegativities | 13 |
73 | 13 |
Preparation and some properties of tungsten | 13 |
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1975 Translated absorption bands absorption spectra acid Akad alkali metal ammonium analysis anion aqueous solutions atoms bond bromine caesium calculated cations cerium Chem chemical Chemistry chloride cm-¹ cm¹ complexes composition compounds concen concentration coordination copper(II corresponding crystallisation crystals curves decomposition dehydration determined electronic endothermic endothermic effect equilibrium diagram ethanol experimental Figure formation formed H₂O hafnium heating hydrogen hydrolysis hydroxide infrared infrared spectra Inorg Inorganic interaction investigated ions iron(III isotherms kcal Khim Khimiya lanthanide lanthanum ligand melts metaphosphates method mixtures mole molecules Moscow Na₂HPO4 Nauk SSSR Neorg nickel(II obtained optical density oxide oxygen phosphate potassium precipitates protons range ratio reaction Russ salts shows sodium solid phase solid solutions solubility specimens spectrum stability constants structure studied sulphate Table temperature thermal tion titanium titration Translated from Zhurnal tungsten vanadium(III vibrations wavenumbers X-ray diffraction X-ray diffraction patterns Zhur Zhurnal Neorganicheskoi Khimii