Russian Journal of Inorganic Chemistry, Tập 22Chemical Society., 1977 |
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Kết quả 1-3 trong 23
Trang 283
... praseodymium nitrate - quino- linium nitrate - water system at 20 ° and 40 ° C ( Table 1 and Fig . 1a ) show the existence of three primary crystallisation fields : praseodymium nitrate hexahydrate , anhydrous quinolinium nitrate , and ...
... praseodymium nitrate - quino- linium nitrate - water system at 20 ° and 40 ° C ( Table 1 and Fig . 1a ) show the existence of three primary crystallisation fields : praseodymium nitrate hexahydrate , anhydrous quinolinium nitrate , and ...
Trang 455
... praseodymium salt in the solutions is increased praseodymium nitrate hexahydrate exerts a strong salting - out action in relation to anilinium and guanidinium nitrates . The lines of the singly saturated solutions of the initial ...
... praseodymium salt in the solutions is increased praseodymium nitrate hexahydrate exerts a strong salting - out action in relation to anilinium and guanidinium nitrates . The lines of the singly saturated solutions of the initial ...
Trang 736
... praseodymium oxide and " chemi- cally pure " grade perchloric acid were used for making praseodymium perchlorate , which was freed from the excess of acid by recrystallisation , and then washed with ether until the ratio of praseodymium ...
... praseodymium oxide and " chemi- cally pure " grade perchloric acid were used for making praseodymium perchlorate , which was freed from the excess of acid by recrystallisation , and then washed with ether until the ratio of praseodymium ...
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COORDINATION equalisation of the electronegativities | 13 |
73 | 13 |
Preparation and some properties of tungsten | 13 |
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1975 Translated absorption bands absorption spectra acid Akad alkali metal ammonium analysis anion aqueous solutions atoms bond bromine caesium calculated cations cerium Chem chemical Chemistry chloride cm-¹ cm¹ complexes composition compounds concen concentration coordination copper(II corresponding crystallisation crystals curves decomposition dehydration determined electronic endothermic endothermic effect equilibrium diagram ethanol experimental Figure formation formed H₂O hafnium heating hydrogen hydrolysis hydroxide infrared infrared spectra Inorg Inorganic interaction investigated ions iron(III isotherms kcal Khim Khimiya lanthanide lanthanum ligand melts metaphosphates method mixtures mole molecules Moscow Na₂HPO4 Nauk SSSR Neorg nickel(II obtained optical density oxide oxygen phosphate potassium precipitates protons range ratio reaction Russ salts shows sodium solid phase solid solutions solubility specimens spectrum stability constants structure studied sulphate Table temperature thermal tion titanium titration Translated from Zhurnal tungsten vanadium(III vibrations wavenumbers X-ray diffraction X-ray diffraction patterns Zhur Zhurnal Neorganicheskoi Khimii