Russian Journal of Inorganic Chemistry, Tập 22Chemical Society., 1977 |
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Kết quả 1-3 trong 80
Trang 164
... According to the chemical analysis , the product contained 92.3 % VI3.6H2O . 8 The anhydrous vanadium iodides VI1⁄2 and VI , were made from the elements by a published method and had purities of 98 and 98.3 % respectively . All the ...
... According to the chemical analysis , the product contained 92.3 % VI3.6H2O . 8 The anhydrous vanadium iodides VI1⁄2 and VI , were made from the elements by a published method and had purities of 98 and 98.3 % respectively . All the ...
Trang 191
... according to the stoichiometry of Eqn . ( 1 ) with an accuracy of ± 3 x 10-1 g and fused at 450-500 ° C in an ampoule sealed under vacuum . Potassium , rubidium , and caesium , dioxotetrachloro- molybdates can be fused with partial ...
... according to the stoichiometry of Eqn . ( 1 ) with an accuracy of ± 3 x 10-1 g and fused at 450-500 ° C in an ampoule sealed under vacuum . Potassium , rubidium , and caesium , dioxotetrachloro- molybdates can be fused with partial ...
Trang 240
place either according to scheme III or with the formation of two six - membered rings according to scheme IV : 0 R 0- Scheme III 41 H ( Co2 + ) 0 P. R P = 0 ( Co2 + ) Scheme IV If the phosphonic acid groups react independently ( scheme ...
place either according to scheme III or with the formation of two six - membered rings according to scheme IV : 0 R 0- Scheme III 41 H ( Co2 + ) 0 P. R P = 0 ( Co2 + ) Scheme IV If the phosphonic acid groups react independently ( scheme ...
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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