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 204
... niobium at tracer concentrations in solu- tions of mineral acids , particularly nitric acid , has been thoroughly investigated1 - 6 and the state of tantalum in such solutions has also been described " . Complex compounds of niobium and ...
... niobium at tracer concentrations in solu- tions of mineral acids , particularly nitric acid , has been thoroughly investigated1 - 6 and the state of tantalum in such solutions has also been described " . Complex compounds of niobium and ...
Trang 205
... niobium adsorption from 3 % oxalic acid on the pH of solution : Nb concentrations : 1 ) radiochemical ; 2 ) 5 x 10-2 mg ml - 1 . TABLE . The dependence of niobium and tantalum adsorption on the concentration of the metal . Nb , mg ml1 ...
... niobium adsorption from 3 % oxalic acid on the pH of solution : Nb concentrations : 1 ) radiochemical ; 2 ) 5 x 10-2 mg ml - 1 . TABLE . The dependence of niobium and tantalum adsorption on the concentration of the metal . Nb , mg ml1 ...
Trang 206
... niobium and tantalum complexes in an acid medium exist in the region where undissociated tartaric acid occurs , and the region of existence of the complexes in a neutral or alkaline medium corresponds with that for the tartrate ion ...
... niobium and tantalum complexes in an acid medium exist in the region where undissociated tartaric acid occurs , and the region of existence of the complexes in a neutral or alkaline medium corresponds with that for the tartrate ion ...
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JOURNAL | 1 |
Complexes of platinum with tetramethylthiuram disulphide bisdimethylthio | 9 |
Infrared absorption spectra of bi and quadrivalent platinum aminoacido | 15 |
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Akad alanine alcohol alkali alloys ammonia ammonium analysis anions aqueous solution binary bond cadmium calculated cations Chem chemical chemistry chloride cobalt(III coefficient complex formation composition compounds concentration constant corresponding crystallisation crystals decomposition dehydration determined diethanolamine disodium pyrophosphate dissociation endothermic endothermic effect equilibrium diagram ethanol ether eutectic eutectic point EXPERIMENTAL extraction formed H₂O hafnium heating curves hydrates hydrogen increase Inorg ions isotherms K₂ kcal Khim Kurnakov ligand liquid lithium melting metal method mixture molar mole molecules mono Na₂SO NaCl NaOH Nauk SSSR Neorg niobium nitrate nitric nitrile Obshch obtained oxide P₂O perchlorate phosphate platinum plexes potassium precipitate prepared PtCl pyridine pyrophosphate ratio reaction reagent reciprocal system Russ salt shows sodium sodium triphosphate solid solutions solu solubility specimen stable studied sulphate Table temperature thermal thermogram thiuram tion titanium values vanadium vanadium(II X-ray Zhur zirconium