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EXPERIMENTAL Differential thermal analysis ( DTA ) was carried out on a Q - 1500 derivatograph . The heating rate was 5-10 K / min . Calcined alumina served as a standard . X - ray powder diffraction experiments were carried out on a ...
EXPERIMENTAL Differential thermal analysis ( DTA ) was carried out on a Q - 1500 derivatograph . The heating rate was 5-10 K / min . Calcined alumina served as a standard . X - ray powder diffraction experiments were carried out on a ...
Trang 1472
The reaction was carried out in 2 - propanol . A solution of NaBPh , was added to a sus- pension of Bu1NBзH , and Bu1NBPh4 precipitated . After separation of the precipitate , the solution was concentrated to dryness .
The reaction was carried out in 2 - propanol . A solution of NaBPh , was added to a sus- pension of Bu1NBзH , and Bu1NBPh4 precipitated . After separation of the precipitate , the solution was concentrated to dryness .
Trang 1749
The samples were obtained as powders ; that is why their thermal analysis was carried out on a VDTA - 8 instrument . The X - ray diffraction experiment was carried out on a DRON - 2 diffractometer ( CuK 。 radiation ) .
The samples were obtained as powders ; that is why their thermal analysis was carried out on a VDTA - 8 instrument . The X - ray diffraction experiment was carried out on a DRON - 2 diffractometer ( CuK 。 radiation ) .
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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