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X - ray powder diffraction patterns for H4SiW 12040 nH2O samples 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 ...
X - ray powder diffraction patterns for H4SiW 12040 nH2O samples 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 ...
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First , optically active clusters with core chirality were prepared as tetrahedral heterotrimetallic clusters with the MM'M " E ( E = S , PR ) core [ 3 ] . Subsequent works primarily addressed the synthesis and study of the tetrahedral ...
First , optically active clusters with core chirality were prepared as tetrahedral heterotrimetallic clusters with the MM'M " E ( E = S , PR ) core [ 3 ] . Subsequent works primarily addressed the synthesis and study of the tetrahedral ...
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The mode of xerogel preparation affects the DTA traces . ... chromium ( III ) , and indium ( III ) oxohydroxide hydro- gels prepared under identical conditions ; the aging study of these oxohydroxides is now underway [ 5-12 ] .
The mode of xerogel preparation affects the DTA traces . ... chromium ( III ) , and indium ( III ) oxohydroxide hydro- gels prepared under identical conditions ; the aging study of these oxohydroxides is now underway [ 5-12 ] .
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Vol 48 No 5 | 622 |
Synthesis and Crystal Structure | 632 |
Synthesis and Study | 642 |
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absorption According acid activation addition analysis angles anion aqueous atoms band bond calculated cations changes characteristics Chem chemical Chemistry cluster cm-¹ complexes composition compounds concentration constants containing coordination Copyright corresponding crystal curves decrease dependence described determined distances distribution effect electron energy existence experimental extraction formation formed function groups H₂O heating higher hydrogen increases Inorganic intensity interaction involved ions Journal Khim lengths ligand lines measured metal method mixture mol/l molecules Moscow Neorg observed obtained oxide oxygen parameters phase Physics position prepared presence properties range ratio reaction REFERENCES refined reflections region respectively Russian salt samples Sciences shift shows signals similar solid solutions solubility solution solvent space group spectra spectrum stability structure studied synthesis Table temperature thermal tion unit values X-ray diffraction