Russian Journal of Inorganic Chemistry, Tập 24,Trang 1-958British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1979 |
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Kết quả 1-3 trong 65
Trang 180
... heating of the urea compound of ytterbium propionate . Substance Present , % M C H N Heating temp . , ° C found calc . found calc . found calc . found calc . Yb ( C , H , O2 ) , 2CO ( NH2 ) 2 · 2H2O 31.64 23.98 4.64 10.31 31.72 31.56 ...
... heating of the urea compound of ytterbium propionate . Substance Present , % M C H N Heating temp . , ° C found calc . found calc . found calc . found calc . Yb ( C , H , O2 ) , 2CO ( NH2 ) 2 · 2H2O 31.64 23.98 4.64 10.31 31.72 31.56 ...
Trang 300
... heating . The duration of the reaction was generally 4-6 h . The rate of flow of the gas was about 0.2 litre h - 1 . In moist argon ( the concentration of H2O corresponded to the dew point at 25 ° C ) , all the above fluorides are hydro ...
... heating . The duration of the reaction was generally 4-6 h . The rate of flow of the gas was about 0.2 litre h - 1 . In moist argon ( the concentration of H2O corresponded to the dew point at 25 ° C ) , all the above fluorides are hydro ...
Trang 368
... heating the mixture at 900- 1000 ° C contains a considerable amount of B - Ca3 ( PO4 ) 2 . Heating at 1150 ° C leads to a decrease in the tricalcium phosphate concentration . Only in specimens heated at 1220 ° C does the tricalcium ...
... heating the mixture at 900- 1000 ° C contains a considerable amount of B - Ca3 ( PO4 ) 2 . Heating at 1150 ° C leads to a decrease in the tricalcium phosphate concentration . Only in specimens heated at 1220 ° C does the tricalcium ...
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RUSSIAN January | 1 |
methylaminochromiumIII nitrate | 30 |
A thermographic proton magnetic resonance | 43 |
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absorption bands absorption spectra acid Akad analysis anion aqueous solutions atoms bond caesium calculated carbon cation Chem chemical Chemistry chloride chromium(III cm-¹ cm¹ complex formation components composition compounds concentration coordination copper(II corresponding crystallisation crystals curve decomposition dehydration density determined ditto dysprosium electronic equilibrium diagram eutectic experimental extraction Figure formed H₂O hafnium heating hydrated hydrogen infrared spectra Inorg Inorganic investigated ions isotherm kcal Khim Khimiya kinetic lattice ligand liquid mass melting metal methanol method mixture mole Moscow Nauk SSSR Neorg nitrate obtained oxide parameters platinum(II potassium protons pyridine range ratio reaction reagent refractive index region Russ salt shows sodium solid phases solid solutions solvates solvent specimens spectrum stability constants structure studied system at 25°C Table temperature ternary thermal thiourea tion titanium(III Translated from Zhurnal Translated into Russian vanadium vanadium(III vibrations water molecules wavenumbers X-ray diffraction X-ray diffraction patterns Zhur Zhurnal Neorganicheskoi Khimii