Russian Journal of Inorganic Chemistry, Tập 48,Trang 455-954British Library Lending Division with the cooperation of the Royal Society of Chemistry, 2003 |
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Trang 628
... prepared in air . By con- trast , the synthesis of pyrochlore - like oxides Ln2B2 / 3 B4 / 3 O7 ( B = Mn , Co , or Fe ; B ' Mo or Ta ) required a lower oxygen partial pressure . Therefore , the class of oxides with a pyrochlore ...
... prepared in air . By con- trast , the synthesis of pyrochlore - like oxides Ln2B2 / 3 B4 / 3 O7 ( B = Mn , Co , or Fe ; B ' Mo or Ta ) required a lower oxygen partial pressure . Therefore , the class of oxides with a pyrochlore ...
Trang 642
... prepared hydrothermally using ion exchange ; its germanium structural analog Co ( HGeUO6 ) 2 · 6H2O has been precipitated from solution . The structures and properties of these compounds have been characterized using X - ray diffraction ...
... prepared hydrothermally using ion exchange ; its germanium structural analog Co ( HGeUO6 ) 2 · 6H2O has been precipitated from solution . The structures and properties of these compounds have been characterized using X - ray diffraction ...
Trang 886
... prepared by hydrostatting in various humid- ity ( 23 ° C ) : ( 1 ) n = 7 ( H = 5 % ) , ( 2 ) n = 12 ( H = 16 % ) , ( 3 ) n = 17 ( H = 36 % ) , and ( 4 ) n = 27 ( freshly prepared acid ) . T , ° C 700 600 500 DTG 400 DTA 235 300- 200 72 ...
... prepared by hydrostatting in various humid- ity ( 23 ° C ) : ( 1 ) n = 7 ( H = 5 % ) , ( 2 ) n = 12 ( H = 16 % ) , ( 3 ) n = 17 ( H = 36 % ) , and ( 4 ) n = 27 ( freshly prepared acid ) . T , ° C 700 600 500 DTG 400 DTA 235 300- 200 72 ...
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Vol 48 No 4 | 455 |
Structure of a HighPressure Hydroxide Ta₂O5 23H₂O | 464 |
Synthesis and Physicochemical Properties | 472 |
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absorption According acid activity analysis angles anion aqueous atoms band bismuth bond calculated cations cell Chem chemical Chemistry cm-¹ complexes composition compounds concentration constants containing coordination Copyright corresponding crystal curve decomposition decrease dependence described determined distribution effect electronic energy equilibrium existence experimental extraction field formation formed function H₂O heating higher hydrogen increases Inorganic intensity interactions ionic ions Journal Khim ligand lines measured metal method mixture mol/l molecules Moscow Neorg observed obtained occurs organic oxide oxygen parameters phase Phys Physics points positions prepared presence properties range ratio reaction REFERENCES refinement region respectively Russian salt samples Sciences shift shows solid solubility solutions solvent space group spectra spectrum stability structure studied surface synthesis Table temperature thermal tion transition unit values X-ray diffraction