Russian Journal of Inorganic Chemistry, Tập 44,Số phát hành 1-4British Library Lending Division with the cooperation of the Royal Society of Chemistry, 1999 |
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Trang 405
... ratio showed two signals at -60 and -210 ppm ( the intensity ratio was 2 : 1 ) . Upon increasing the SnCl2 content to 1 : 1 and 1 : 2 ratios , the high - field signal shifted to -225 and -240 ppm , respectively , while the chemical ...
... ratio showed two signals at -60 and -210 ppm ( the intensity ratio was 2 : 1 ) . Upon increasing the SnCl2 content to 1 : 1 and 1 : 2 ratios , the high - field signal shifted to -225 and -240 ppm , respectively , while the chemical ...
Trang 407
... ratio , these signals were observed at -255 and -540 ppm , respectively . The downfield shift of the SnF2 signal ... ratio Bu4NF : SnF2 = 1 : 1 ( room temperature ) , the 119Sn signal shifted downfield by almost 100 ppm ( -530 ppm ) ...
... ratio , these signals were observed at -255 and -540 ppm , respectively . The downfield shift of the SnF2 signal ... ratio Bu4NF : SnF2 = 1 : 1 ( room temperature ) , the 119Sn signal shifted downfield by almost 100 ppm ( -530 ppm ) ...
Trang 408
... ratio was accompanied by an upfield shift of the 119Sn NMR sig- nal from -240 ( Bu2SnF2 ( DMSO ) 2 ) to -270 ( 1 : 1 mix- ture ) , -320 ( 2 : 1 mixture ) , and -360 ppm ( 3 : 1 mix- ture ) . Therefore , fluoride ions substitute for the ...
... ratio was accompanied by an upfield shift of the 119Sn NMR sig- nal from -240 ( Bu2SnF2 ( DMSO ) 2 ) to -270 ( 1 : 1 mix- ture ) , -320 ( 2 : 1 mixture ) , and -360 ppm ( 3 : 1 mix- ture ) . Therefore , fluoride ions substitute for the ...
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HighTemperature Superconductors | 1 |
Hydration and Thermal Stability of Silver and Rubidium Salts | 9 |
Mechanism of the Thermal Oxidation of Gallium Arsenide | 15 |
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absorption bands acetonitrile acid Akad analysis angles anions atoms bismuth calculated CaO2 cations Chem chemical chloride cm-¹ cm¯¹ complexes components composition concentration constant containing copper copper(II corresponding crystal structure curve decomposition decrease determined diffraction patterns electron energy English Translation Copyright equation equilibrium ethanol eutectic experimental extraction formation H₂O heating hydrogen increase Inorganic Chemistry interaction ions Khim ligands lithium melting metal method mixtures mol/l molecules molybdate monoclinic Moscow Neorg nitrate obtained octahedral Original Russian Text oxidation oxygen oxygen atoms palladium(II phase diagram plexes polyhedra polyhedron protons range ratio reaction Russia Received Russian Academy Russian Journal Russian Text Copyright salts sample sodium solid solutions solu solubility solvent space group spectra spectrum stability studied sulfur synthesis Table ternary thermal tion TMEDA ture unit cell unit cell parameters values vanadium(V X-ray diffraction X-ray powder diffraction МАИК