Russian Journal of Inorganic Chemistry, Tập 22Chemical Society., 1977 |
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Trang 38
... Lanthanum metatitanate has the perovskite structure , with an orthorhombic unit cell . The lattice parameters are a = 4.06 , b = 4.11 , c = 8.00 Å . For lanthanum meta- titanate , Ppykn = 4.67 g cm - 3 , Pcalc = 4.69 g cm3 . number of ...
... Lanthanum metatitanate has the perovskite structure , with an orthorhombic unit cell . The lattice parameters are a = 4.06 , b = 4.11 , c = 8.00 Å . For lanthanum meta- titanate , Ppykn = 4.67 g cm - 3 , Pcalc = 4.69 g cm3 . number of ...
Trang 353
... lanthanum , heated to 70 to 80 ° C , with an equal volume of saturated oxalic acid solution gives a precipitate of normal lanthanum oxalate , having a solubility of 1.1 × 10-3 M. Data on the reaction of indium with oxalic acid have been ...
... lanthanum , heated to 70 to 80 ° C , with an equal volume of saturated oxalic acid solution gives a precipitate of normal lanthanum oxalate , having a solubility of 1.1 × 10-3 M. Data on the reaction of indium with oxalic acid have been ...
Trang 354
... Lanthanum and indium oxalates were precipitated by two methods . 1 ) Dilute solutions ( 0.02-0.04 M ) of equimolar quantities of lanthanum and indium nitrates , and saturated oxalic acid solution , were added dropwise with constant ...
... Lanthanum and indium oxalates were precipitated by two methods . 1 ) Dilute solutions ( 0.02-0.04 M ) of equimolar quantities of lanthanum and indium nitrates , and saturated oxalic acid solution , were added dropwise with constant ...
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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