Russian Journal of Inorganic Chemistry, Tập 20,Phần 1British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1975 |
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Trang 56
... vanadium concentration was determined by permanganate titration and those of the remaining reagents were calcu ... ( IV ) compounds show eight hyperfine structure lines . On for- mation of polynuclear vanadium ( IV ) complexes , the number ...
... vanadium concentration was determined by permanganate titration and those of the remaining reagents were calcu ... ( IV ) compounds show eight hyperfine structure lines . On for- mation of polynuclear vanadium ( IV ) complexes , the number ...
Trang 57
... ( IV ) COOH COOH COOH ( V ) m ; = +1/2 HO H HỌOC — C - C - COOH H ОН ( VI ) 3 I To identify the products formed in the vanadate - ascor- bic acid system , the spectra of a mixture of these solutions were compared with those of vanadium ( IV ) ...
... ( IV ) COOH COOH COOH ( V ) m ; = +1/2 HO H HỌOC — C - C - COOH H ОН ( VI ) 3 I To identify the products formed in the vanadate - ascor- bic acid system , the spectra of a mixture of these solutions were compared with those of vanadium ( IV ) ...
Trang 58
... vanadium ( IV ) -lactic acid system1o It has been shown in numerous instances 15 that values of g in the range 1.963-1.972 for various vanadyl complexes indicate the retention of the V = O bond and hence of axial symmetry in the ...
... vanadium ( IV ) -lactic acid system1o It has been shown in numerous instances 15 that values of g in the range 1.963-1.972 for various vanadyl complexes indicate the retention of the V = O bond and hence of axial symmetry in the ...
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JOURNAL | 1 |
Complex formation by rareearth elements with | 33 |
N G Dzyubenko L I Martynenko and V I Spitsyn | 74 |
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absorption bands absorption spectra acid Akad alkali aluminium analysis anions aqueous solutions atom bond calculated cerium Chem chemical Chemistry chloride cm-¹ cm¹ cobalt(II complex formation composition compounds concentration coordination corresponding crystallisation crystals curve decomposition dehydration density determined ditto equilibrium europium experimental extraction Figure fluoride formed gallium(III groups H₂O hafnium heating hydrated hydrogen hydroxide increase infrared infrared absorption spectra infrared spectra Inorg interaction investigated ionic ions iron(III isothermal Khim lanthanide lanthanum ligand metal methanol method mixture molar mole Moscow Nauk SSSR Neorg nickel(II obtained oxide phosphate platinum(II plexes potassium present Raman range ratio reaction Russ salts scandium shows sodium solid phases solid solutions solubility solvents specimens spectrum stability constants stretching vibrations structure studied sulphate Table temperature thermal thermographic tion titration Translated from Zhurnal vanadium vanadium(IV water molecules wavenumbers X-ray diffraction yttrium Zhur Zhurnal Neorganicheskoi Khimii zirconium