Russian Journal of Inorganic Chemistry, Tập 12,Phần 1British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1967 |
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... absorption spectra were recorded on an SF - 4 spectrophotometer at 23 ° , 40 ° , 60 ° , and 80 ° . The attach- ment for thermostatting the cuvette compartment of the spectrophotometer has been described already 10. The temperatures of ...
... absorption spectra were recorded on an SF - 4 spectrophotometer at 23 ° , 40 ° , 60 ° , and 80 ° . The attach- ment for thermostatting the cuvette compartment of the spectrophotometer has been described already 10. The temperatures of ...
Trang 253
... absorption bands with frequencies of 980 cm - 1 and 770 cm - 1 , characteristic of the vibrations of the Si - O and Al - O bonds . These solutions also show absorption in the frequency range 1400-1420 cm ̄1 , appa- rently due to the ...
... absorption bands with frequencies of 980 cm - 1 and 770 cm - 1 , characteristic of the vibrations of the Si - O and Al - O bonds . These solutions also show absorption in the frequency range 1400-1420 cm ̄1 , appa- rently due to the ...
Trang 370
... absorption spectrum of the fraction containing PcNdX in the visible range is characteristic of the monophthalocyanines of tervalent elements 3 . Since PdNdx was eluted from the column with a mixture containing chloride ion , it may be ...
... absorption spectrum of the fraction containing PcNdX in the visible range is characteristic of the monophthalocyanines of tervalent elements 3 . Since PdNdx was eluted from the column with a mixture containing chloride ion , it may be ...
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absorption spectra acetate activity coefficients Akad alcohol alkali metal amine ammonia ammonium analysis anhydrous anion aqueous solutions atoms bond caesium calculated Chem chemical Chemistry chloride cm-¹ complex formation composition compounds concentration coordination copper corresponding crystallisation crystals curve decomposition determined diagram dissociation equation equilibrium europium experimental extraction fluoride formed frequencies H₂O hafnium heating hydrate hydrochloric acid hydrogen hydrolysis hydroxide increase Inorg ionic strength ions Khim ligand litre-¹ method mixture molar mole molecules Moscow Nauk SSSR neodymium Neorg niobium nitrate obtained optical density organic phase oxalate oxide perchlorate phosphate platinum platinum(II plexes potassium precipitate ratio reaction Russ salt scandium shows sodium solid phases solid solutions solu solubility solvate spectrum stability constants stretching vibrations studied sulphate Table temperature terbium thermal thermogram thorium tion titanium tributyl phosphate values X-ray Xylenol Orange Zhur zirconium