Russian Journal of Inorganic Chemistry, Tập 48,Số phát hành 9-12Chemical Society., 2003 |
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Trang 1563
... sodium metaborate and the high - temperature sodium triborate a - phase Na2O · 3B203 at about 690 ° C and between sodium metaborate and the low - temperature sodium triborate ẞ - phase at about 670 ° C ; these events are omitted from ...
... sodium metaborate and the high - temperature sodium triborate a - phase Na2O · 3B203 at about 690 ° C and between sodium metaborate and the low - temperature sodium triborate ẞ - phase at about 670 ° C ; these events are omitted from ...
Trang 1565
... sodium diborate to crystallize , long - term expo- sure at 705-710 ° C was required , a temperature higher than the ... sodium pentaborate 2Na2O 5B20 , is formed ; it has a lower ( 482 ° C ) and an upper ( 686 ° C ) stability boundary ...
... sodium diborate to crystallize , long - term expo- sure at 705-710 ° C was required , a temperature higher than the ... sodium pentaborate 2Na2O 5B20 , is formed ; it has a lower ( 482 ° C ) and an upper ( 686 ° C ) stability boundary ...
Trang 1567
... Sodium silicates are used as constituents for the syn- thesis of glasses and ceramics . They are also important ... sodium oxide was also investigated [ 6 ] . It was demonstrated that 3Na2O · 2SiO2 has a lower stability boundary . The ...
... Sodium silicates are used as constituents for the syn- thesis of glasses and ceramics . They are also important ... sodium oxide was also investigated [ 6 ] . It was demonstrated that 3Na2O · 2SiO2 has a lower stability boundary . The ...
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Vol 48 No 9 | 1282 |
Simultaneous English language translation of the journal is available from MAIK NaukaInterperiodica Russia | 1446 |
Vol 48 No 11 2003 | 1615 |
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absorption acid activation analysis angles anion atoms band bond calculated cations Chem chemical Chemistry cm-¹ complexes components composition compounds concentration constant containing coordination Copyright corresponding crystal crystal structure curves decreases determined diagram distances effect electron energy experimental field formation formed function heating hydrogen increases Inorganic intensity interaction ions Journal Khim layer ligand materials measured melting metal method mixture molecules Moscow Neorg Note observed obtained oxidation oxygen parameters phase Physics positions prepared properties range ratio reaction REFERENCES refined reflections region respectively ring Russian salt samples Sciences shifts shown shows signals single sodium solid solid solutions solubility solutions space space group spectra spectrum spinel stability structure studied Synthesis Table temperature thermal tion trans transition Translation values vibrations X-ray diffraction