Russian Journal of Inorganic Chemistry, Tập 11,Phần 2British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1967 |
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Trang 1148
... niobium tetrachloride , and their compounds with potassium and sodium chlor- ides have been measured pyknometrically ... niobium of high purity can be prepared by the disproportionation of the lower niobium chlorides 1,2 , by the ...
... niobium tetrachloride , and their compounds with potassium and sodium chlor- ides have been measured pyknometrically ... niobium of high purity can be prepared by the disproportionation of the lower niobium chlorides 1,2 , by the ...
Trang 1155
... niobium Yield , % GM.p. , ° C Found , % Empirical formula Calc . , % 6 76 151 Nb 25.36 CcHIN NbOCI , Cl- 28.95 U. D. C. 546.882.5'21'131-386 + 546.824'131-386 COMPLEX COMPOUNDS OF NIOBIUM OXIDE TRICHLORIDE AND TITANIUM TETRA- CHLORIDE ...
... niobium Yield , % GM.p. , ° C Found , % Empirical formula Calc . , % 6 76 151 Nb 25.36 CcHIN NbOCI , Cl- 28.95 U. D. C. 546.882.5'21'131-386 + 546.824'131-386 COMPLEX COMPOUNDS OF NIOBIUM OXIDE TRICHLORIDE AND TITANIUM TETRA- CHLORIDE ...
Trang 1470
... niobium in solution . In a large ex- cess of these reagents , niobium forms anionic complexes 1 - 7 . Soluble niobium complexes are also formed in acidic solu- tions containing H2O2 . 8,9 We previously used electrodialysis to study the ...
... niobium in solution . In a large ex- cess of these reagents , niobium forms anionic complexes 1 - 7 . Soluble niobium complexes are also formed in acidic solu- tions containing H2O2 . 8,9 We previously used electrodialysis to study the ...
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A RESHETNIKOV | 797 |
A TSIMMERGAKL and G V LAVROVA | 860 |
THE PAGE NUMBERS | 941 |
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absorption bands Akad alkali metal ammonia ammonium analysis anhydrous anion aqueous solutions atoms bond caesium calculated carbonate cations Chem chemical chloride cm-¹ complex formation composition compounds concentration constant coordination corresponding crystallisation crystals decomposition determined diagram endothermic endothermic effect equation equilibrium erbium europium eutectic extraction fluoride formed germanium H₂O hafnium hydrated hydrochloric acid hydrogen hydroxide increase infrared Inorg ionic ions isotherm kcal Khim ligand liquid lithium melt method mixture molar mole molecules Moscow Nauk SSSR Neorg nickel niobium nitrate nitric acid obtained optical density oxide perchlorate plexes potassium precipitate prepared pyridine range ratio reaction reagent rhodium rubidium Russ ruthenium salt scandium shows sodium solid phase solu solubility specimen stability structure studied sulphate sulphuric acid Table temperature ternary tetrahydroborate thermal thermogram thermogravimetric thiocyanate thorium tion titanium values X-ray yttrium Zhur zirconium