Russian Journal of Inorganic Chemistry, Tập 16,Phần 2British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1971 |
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Trang 1010
... Niobium Compounds R.N.Shchelokov , I.I.Alekseeva , E.N.Traggeim , M.A.Michnik , and I.G.Khachaturyan The catalytic activity of niobium compounds towards the iodide- peroxide reaction has been studied in relation to the conditions under ...
... Niobium Compounds R.N.Shchelokov , I.I.Alekseeva , E.N.Traggeim , M.A.Michnik , and I.G.Khachaturyan The catalytic activity of niobium compounds towards the iodide- peroxide reaction has been studied in relation to the conditions under ...
Trang 1011
... niobium pentoxide , those prepared by dissolving it in a mixture of sulphuric and hydrofluoric acid were found to be indistinguishable in catalytic activity from those prepared from metallic niobium or ammonium tetraperoxoniobate ...
... niobium pentoxide , those prepared by dissolving it in a mixture of sulphuric and hydrofluoric acid were found to be indistinguishable in catalytic activity from those prepared from metallic niobium or ammonium tetraperoxoniobate ...
Trang 1141
... niobium into the organic phase , but also the intensity of its colour . The concentration of niobium in the organic phase was determined spectrophotometrically with hydrogen peroxide after decomposition of the dithio- carbamato ...
... niobium into the organic phase , but also the intensity of its colour . The concentration of niobium in the organic phase was determined spectrophotometrically with hydrogen peroxide after decomposition of the dithio- carbamato ...
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CONTENTS | 939 |
Complex formation by gallium with obromo | 952 |
Thermal decomposition of lanthanum thiosulphate | 965 |
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absorption band absorption spectra acetone acid solutions Akad alkali alkali metal ammonium analysis anion aquation aqueous solutions atom benzene bond cadmium caesium calculated carbon cation Chem chemical chloride cm-¹ complex formation composition compounds concentration coordination corresponding crystallisation crystals curve decomposition decrease determined dioxan dissociation endothermic equilibrium experimental extraction Figure formed gallium H₂O hafnium heating hydrates hydrochloric acid hydrogen hydroxide increase infrared infrared spectra Inorg Inorganic Chemistry investigated ionic ions isotherm kcal Khim kinetic lanthanum ligand metal methanol method mixture molar mole molecules Moscow Nauk SSSR neodymium Neorg niobium nitrate obtained optical density organic phase oxide plexes potassium precipitate prepared range ratio reaction reagent rubidium Russ ruthenium(IV salt scandium shows sodium solid phases solu solubility solvent specimens spectrum stability constants stretching vibrations structure studied sulphate Table temperature ternary thermal thiocyanate thiourea tion values X-ray diffraction Xylenol Orange Zhur zirconium