Russian Journal of Inorganic Chemistry, Tập 22Chemical Society., 1977 |
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Kết quả 1-3 trong 84
Trang 258
... melting point ( 448-450 ° C ) do not undergo such marked changes as in Kompanichenko and coworkers ' work ' . The S - T1 equilibrium diagram2 also excludes the possi- bility of Tl2S melting at 635 ° C . We heated Tl2S to 800 ° C , and ...
... melting point ( 448-450 ° C ) do not undergo such marked changes as in Kompanichenko and coworkers ' work ' . The S - T1 equilibrium diagram2 also excludes the possi- bility of Tl2S melting at 635 ° C . We heated Tl2S to 800 ° C , and ...
Trang 389
... melt method of crystallisation was employed . Since the com- pounds melt at relatively low temperatures with decom- position , low - melting alkali metal molybdates were used as the solvents : K2Mo2O , ( m.p. 489 ° C ) and K2M03010 ...
... melt method of crystallisation was employed . Since the com- pounds melt at relatively low temperatures with decom- position , low - melting alkali metal molybdates were used as the solvents : K2Mo2O , ( m.p. 489 ° C ) and K2M03010 ...
Trang 482
... melts con- gruently at 740 ° C , Na2B8O13 , melting congruently at 822 ° C , and Na2B6010 , melting incongruently at 736 ° C . There are eutectics at B2O3 31 % , 736 ° C and B2O3 39 % , 720 ° C and a peritectic at B2O3 48 % , 736 ° C ...
... melts con- gruently at 740 ° C , Na2B8O13 , melting congruently at 822 ° C , and Na2B6010 , melting incongruently at 736 ° C . There are eutectics at B2O3 31 % , 736 ° C and B2O3 39 % , 720 ° C and a peritectic at B2O3 48 % , 736 ° C ...
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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