Russian Journal of Inorganic Chemistry, Tập 22Chemical Society., 1977 |
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Kết quả 1-3 trong 73
Trang 238
... groups are fixed in the trans - position . Thus allowance for the possible formation of hydrogen bonds between two phosphonic acid groups in the acid molecule gives the following order of acid strength : VDPA > EDPA > MDPA observed for ...
... groups are fixed in the trans - position . Thus allowance for the possible formation of hydrogen bonds between two phosphonic acid groups in the acid molecule gives the following order of acid strength : VDPA > EDPA > MDPA observed for ...
Trang 334
... groups in the pre- cipitate was determined by acidometric titration of the hydroxide groups liberated by replacement with fluoride ions , and also by calculation from the PMR spectra . The dependence of the composition of the solid ...
... groups in the pre- cipitate was determined by acidometric titration of the hydroxide groups liberated by replacement with fluoride ions , and also by calculation from the PMR spectra . The dependence of the composition of the solid ...
Trang 840
... groups : the dienol group HO - C ( 2 ) = C ( 3 ) − OH , the y - lactone carbonyl group O ) - C ; and the side - chain alcohol groups C ( 5 ) -OH and C ) -OH . Spectral data on the forms of the vibrations of OH groups established that ...
... groups : the dienol group HO - C ( 2 ) = C ( 3 ) − OH , the y - lactone carbonyl group O ) - C ; and the side - chain alcohol groups C ( 5 ) -OH and C ) -OH . Spectral data on the forms of the vibrations of OH groups established that ...
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Hydrolysis of ironIII sulphate in zinc sulphate | 27 |
Reaction of tricalcium orthophosphate with | 33 |
at 50C | 50 |
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absorption bands absorption spectra acid Akad alkali metal ammonium analysis anion aqueous solutions atoms bond calculated cations cerium Chem chemical chloride cm-¹ cm¹ cobalt(III complex formation composition compounds concentration coordination copper(II corresponding crystallisation crystals curve decomposition decrease dehydration derivatograms determined dissociation electronic endothermic endothermic effect equilibrium diagram ethanol experimental Figure formed groups H₂O hafnium heating hydrates hydrogen hydrolysis hydroxide infrared infrared spectra Inorg interaction investigated ions iron(II isotherm kcal Khim Khimiya lanthanide lanthanum ligand liquid melts method mixture mole Moscow Nauk SSSR Neorg nickel(II obtained optical density oxide oxygen phosphate potassium precipitate protons pyrochlore range ratio reaction Russ salts shows sodium solid phase solid solutions solubility specimens spectrum stability constants structure studied sulphate Table temperature thermal tion titration Translated from Zhurnal tungstates vibrations water molecules wavenumbers X-ray diffraction X-ray diffraction patterns Zhur Zhurnal Neorganicheskoi Khimii zirconium