Russian Journal of Inorganic Chemistry, Tập 7,Phần 1British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1962 |
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Trang 153
... vanadium ( II ) salts . I ) Water cooled electrolyser , capacity 300 ml : 1 ) platinum contact ; 2 ) tube for removing the reduced solution ; 3 ) burette with the vanadium ( II ) salt solution ; 4 , 5 ) three - way taps ; 6 , 7 ...
... vanadium ( II ) salts . I ) Water cooled electrolyser , capacity 300 ml : 1 ) platinum contact ; 2 ) tube for removing the reduced solution ; 3 ) burette with the vanadium ( II ) salt solution ; 4 , 5 ) three - way taps ; 6 , 7 ...
Trang 154
... vanadium ( II ) and vanadium ( III ) . Taken : 20 ml 0.02068 M VSO . 1 ) 0.03505 M NH VO ; 2 ) 0.04000 N K2Cr2O7 ; 3 ) 0.04185 N KIO ;; 4 ) 0.1142 M NH VO3 ; 5 ) 0.1000 N K2Cr2O7 . The oxidimetric determination of vanadium ( II ) ...
... vanadium ( II ) and vanadium ( III ) . Taken : 20 ml 0.02068 M VSO . 1 ) 0.03505 M NH VO ; 2 ) 0.04000 N K2Cr2O7 ; 3 ) 0.04185 N KIO ;; 4 ) 0.1142 M NH VO3 ; 5 ) 0.1000 N K2Cr2O7 . The oxidimetric determination of vanadium ( II ) ...
Trang 155
TABLE 5 . Effect of total concentration of vanadium on the redox potential of the vanadium ( III ) — vanadium ( II ) system . ( 1 M H2SO , [ v3 ] / [ v2 ] = 1 ) . TABLE 6 . [ Vhotal e.m.f. , V - EF , V 0.0138 0.539 0.290 0.0207 0.553 ...
TABLE 5 . Effect of total concentration of vanadium on the redox potential of the vanadium ( III ) — vanadium ( II ) system . ( 1 M H2SO , [ v3 ] / [ v2 ] = 1 ) . TABLE 6 . [ Vhotal e.m.f. , V - EF , V 0.0138 0.539 0.290 0.0207 0.553 ...
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absorption acetone acid adsorption Akad alcohol alkali alloys ammonia analysis anion aqueous solution atom binary cadmium calculated cations Chem chemical Chemistry chloride coefficient composition compounds concentration constant coprecipitation corresponding crystallisation crystals curves decomposition determined dissociation endothermic equilibrium diagram eutectic experimental extraction formed germanium H₂O hafnium heating hydrates hydrogen hydrolysis hydroxide increase Inorg ions isotherms kcal Khim Kurnakov ligands liquid melting metal methanol method mixture molar mole molecules Na₂SO NaCl Nauk SSSR Neorg niobium nitrate nitric nitric acid nitrile Obshch obtained optical density oxide perchlorate platinum platinum(II plexes potassium precipitate prepared properties ratio reaction reagent reciprocal system resin Russ salt Schiff bases shows silicon sodium solid phase solid solutions soln solu solubility specimens spectra stability studied sulphate Table temperature ternary system thermal thorium tion titanium uranyl values vanadium(II vapour X-ray Zhur zinc zirconium