Russian Journal of Inorganic Chemistry, Tập 13,Trang 1-901British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1968 |
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Trang 337
... acid solutions . Niobium is precipitated quantitatively by selenous acid from a mixture of 3 N HCl and 1 % tartaric acid , and based on this , a gravimetric method has been proposed for the quantitative determination of niobium in the ...
... acid solutions . Niobium is precipitated quantitatively by selenous acid from a mixture of 3 N HCl and 1 % tartaric acid , and based on this , a gravimetric method has been proposed for the quantitative determination of niobium in the ...
Trang 471
... solutions chromium is strongly hydrated and exists not as a triply charged ... acid solution on KU - 2 cation - exchange resin , first to establish the ... solutions were prepared from 0.06 N chromi- um nitrate . Double evaporation of the ...
... solutions chromium is strongly hydrated and exists not as a triply charged ... acid solution on KU - 2 cation - exchange resin , first to establish the ... solutions were prepared from 0.06 N chromi- um nitrate . Double evaporation of the ...
Trang 595
... acid solutions . Scandium forms a num- ber of complexes with the anions of mineral acids : ScC12 + , SCCL , Sc ( NO ) ... acid , which has the smallest dielectric constant , this relationship is observed only in hydrochloric acid and ...
... acid solutions . Scandium forms a num- ber of complexes with the anions of mineral acids : ScC12 + , SCCL , Sc ( NO ) ... acid , which has the smallest dielectric constant , this relationship is observed only in hydrochloric acid and ...
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JANUARY | 1 |
Composition and properties of the tri di and mono | 7 |
The polymorphism of chromium hydroxides obtained | 13 |
Bản quyền | |
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absorption bands absorption spectra acid solutions Akad alkali metal amine ammonium analysis anhydrous anion aqueous solutions atoms bond caesium calculated carbonate cerium(IV Chem chemical Chemistry chloride chromium(III cm-¹ cobalt complex formation composition compounds concentration coordination corresponding crystallisation crystals curve decomposition determined displacement dissociation equilibrium Figure formed frequencies H₂O heat of formation hydrated hydrogen hydrolysis hydroxide increase infrared infrared spectra Inorg ionic ions iron(III kcal kcal mole-¹ Khim Kurrol salt lanthanum ligand litre-1 melt method mixture molar mole molecules molybdate molybdenum Moscow Nauk SSSR neodymium Neorg nickel niobium nitrate obtained oxalate oxide perchlorate phenanthroline phosphate plexes potassium precipitate prepared pyrochlore range ratio reaction reagent Russ shows sodium sodium hydroxide solid phase solu solubility specimen spectrum stability constants stromeyerite studied sulphate sulphuric acid system at 25°C Table tantalum temperature tetrahydroborate thermal thermogram tion values X-ray diffraction yttrium Zhur zirconium