Russian Journal of Inorganic Chemistry, Tập 42,Trang 951-1448Chemical Society., 1997 |
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Trang 1391
... shows the evolution of the 27 Al NMR spectra with temperature . At 504 ° C , the spectrum shows a signal at 1670 ± 5 ppm of the a phase and a strong signal at 1550 ± 5 ppm , which we assigned to the intermetallic compound LiAl , ( a ...
... shows the evolution of the 27 Al NMR spectra with temperature . At 504 ° C , the spectrum shows a signal at 1670 ± 5 ppm of the a phase and a strong signal at 1550 ± 5 ppm , which we assigned to the intermetallic compound LiAl , ( a ...
Trang 1394
... shows the kinetic dependences of the con- tent of the a ' , 8 , and y phases in the LiH - Al system at r = 4. Note that over the temperature range 615-650 ° C , the spectra show two narrow signals at 389 and 422 ppm whose intensities ...
... shows the kinetic dependences of the con- tent of the a ' , 8 , and y phases in the LiH - Al system at r = 4. Note that over the temperature range 615-650 ° C , the spectra show two narrow signals at 389 and 422 ppm whose intensities ...
Trang 1407
... shows well- defined separate signals of the oxygen atoms in the phosphoryl ( 78 ppm ) and ester ( P - O - R ) groups ( 46 ppm ) ( Table 1 , Fig . 1 ) . However , poor sensitivity Table 1. NMR parameters of D2EHPA at a field of 9.4 T OH ...
... shows well- defined separate signals of the oxygen atoms in the phosphoryl ( 78 ppm ) and ester ( P - O - R ) groups ( 46 ppm ) ( Table 1 , Fig . 1 ) . However , poor sensitivity Table 1. NMR parameters of D2EHPA at a field of 9.4 T OH ...
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Vol 42 No 7 | 951 |
Triple Triphosphate NaKTbP3010 | 958 |
Relative Reactivity of Oxo Anions to MetalII Hydroxides | 964 |
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Academy of Sciences acid analysis angles anion atoms bismuth bond lengths calculated cation chelate Chem chemical shifts chloride cm-¹ complexes composition compounds concentration coordination copper(II corresponding crystal structure curves decomposition decrease determined distances electron energy English Translation Copyright enthalpy equation equilibrium experimental extraction fluorine formation frequencies H₂O Hayka/Interperiodica Publishing Russia heat hydrate hydrogen bonds hydroxide increase Inorganic Chemistry isomer kcal/mol Khim kJ/mol LiClO4 ligand lithium MAHK Hayka/Interperiodica Publishing melting metal method mixture mol/l Moscow Neorg Original Russian Text oxide oxygen atoms perchlorate phase diagram Phys platinum(IV plexes podand polyhedra polyhedron proton ratio reaction Russia Received Russian Academy Russian Journal Russian Text Copyright salts samples sodium solid solutions solvent space group spectrum studied synthesis Table temperature thermal thermodynamic tion titration ture unit cell unit cell parameters values vibration water molecules X-ray diffraction X-ray powder diffraction