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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Kết quả 1-3 trong 68
Trang 90
... cobalt ( II ) complexes are readily dehydrated : CoX2.4H2O . -4H2O .C6H12 N4.2HX CoX2.C6H12N4.2HX . The study of the electronic reflection spectra of the anhydrous complexes CoX2.C6H12N4.2HX ( X = C1 or Br ) showed that in these ...
... cobalt ( II ) complexes are readily dehydrated : CoX2.4H2O . -4H2O .C6H12 N4.2HX CoX2.C6H12N4.2HX . The study of the electronic reflection spectra of the anhydrous complexes CoX2.C6H12N4.2HX ( X = C1 or Br ) showed that in these ...
Trang 98
... Cobalt ( II ) was deposited on the plates by keeping the latter in 0.25 M cobalt ( II ) nitrate solution for 24 h , this being followed by repeated washing with water to remove nitrate ions and drying to constant weight at 120 ° C ...
... Cobalt ( II ) was deposited on the plates by keeping the latter in 0.25 M cobalt ( II ) nitrate solution for 24 h , this being followed by repeated washing with water to remove nitrate ions and drying to constant weight at 120 ° C ...
Trang 99
... cobalt ( II ) thio- cyanate , chloride , and bromide complexes in methanol . For this purpose , a study was made of the absorption spectra of methanol solutions of cobalt ( II ) nitrate ( cCo2 + 4.0 × 10-3-6.2 × 10-3 M ) at 400-750 nm ...
... cobalt ( II ) thio- cyanate , chloride , and bromide complexes in methanol . For this purpose , a study was made of the absorption spectra of methanol solutions of cobalt ( II ) nitrate ( cCo2 + 4.0 × 10-3-6.2 × 10-3 M ) at 400-750 nm ...
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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