Russian Journal of Inorganic Chemistry, Tập 25,Trang 961-1868Chemical Society, 1980 |
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Kết quả 1-3 trong 38
Trang 1205
... vanadium ( III ) are known to be much more stable and this is why we used them2 - 4 . The electrochemical reduction current was 2-3 A and the potential was 7-10 V. The vanadium ( III ) solution obtained did not show the presence of ...
... vanadium ( III ) are known to be much more stable and this is why we used them2 - 4 . The electrochemical reduction current was 2-3 A and the potential was 7-10 V. The vanadium ( III ) solution obtained did not show the presence of ...
Trang 1206
... vanadium ( III ) . Fig . 2 presents the dependence of 1 / NT , on the pH for different amounts of lactic acid [ the vanadium ( III ) -lactic acid system ] . The stepped form of the curves indicates the formation of at least three ...
... vanadium ( III ) . Fig . 2 presents the dependence of 1 / NT , on the pH for different amounts of lactic acid [ the vanadium ( III ) -lactic acid system ] . The stepped form of the curves indicates the formation of at least three ...
Trang 1483
... vanadium ( III ) concentrations 1 × 10-20 × 10- " g - ion litre - 1 ( 0.25 mg - 5 mg vanadium ( III ) in 50 ml . The molar absorptivity is ( 3.3 ± 0.25 ) × 103 . However , at high vanadium ( III ) concentrations there is an appreciable ...
... vanadium ( III ) concentrations 1 × 10-20 × 10- " g - ion litre - 1 ( 0.25 mg - 5 mg vanadium ( III ) in 50 ml . The molar absorptivity is ( 3.3 ± 0.25 ) × 103 . However , at high vanadium ( III ) concentrations there is an appreciable ...
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1979 Translated absorption bands acid aluminium analysis anion atoms bond calculated Chem chemical Chemistry chloride chromium(III cm-¹ cm¯¹ cm¹ complex formation components composition compounds concentration coordination copper(II corresponding crystallisation crystals curves decomposition decrease determined ditto DMSO electrical conductivity electronic equilibrium ethanol eutectic experimental extraction Figure fluoride formed groups H₂O heating hydrogen hydroxide increase infrared infrared spectra Inorg interaction investigated ionic ions isothermal kcal Khim Khimiya lanthanide ligand liquid magnesium manganese(III mass melt metal method mixture molar mole molecules molybdenum Moscow Nauk SSSR neodymium Neorg nickel(II nitrate obtained oxide oxygen parameters precipitate range ratio reaction reagent Russ salt shows sodium solid phases solid solutions solubility solvent specimens spectrum stability constants structure studied sulphate synthesis Table temperature ternary thermal tion Translated from Zhurnal vanadium vanadium(III vibrations wavenumbers X-ray diffraction X-ray diffraction patterns ytterbium Zhur Zhur.Neorg Zhurnal Neorganicheskoi Khimii zirconium