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X - ray powder diffraction analysis showed that the compound forms tetragonal crystals : a = 10.79 Å , c = 16.72 Å , V = 1946.6 Å ?, unit cell = 121.7 Å ” , Z = 16 ; Px - ray = 5.96 g / em ” , Ppyen = 5.91 – 0.07 g / cm2 .
X - ray powder diffraction analysis showed that the compound forms tetragonal crystals : a = 10.79 Å , c = 16.72 Å , V = 1946.6 Å ?, unit cell = 121.7 Å ” , Z = 16 ; Px - ray = 5.96 g / em ” , Ppyen = 5.91 – 0.07 g / cm2 .
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To identify phases I and II , the corresponding X - ray powder diffraction patterns were obtained ( Fig . 1 ) . Powders of I and II were studied on an HZG - 4A automated diffractometer ( aCuka ) using points in the 20 range 70–70 ° with ...
To identify phases I and II , the corresponding X - ray powder diffraction patterns were obtained ( Fig . 1 ) . Powders of I and II were studied on an HZG - 4A automated diffractometer ( aCuka ) using points in the 20 range 70–70 ° with ...
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Phase constitution of alumina samples annealed at extensively crystallized in the range 950–1050 ° C . At 900-1050 ° C as found by powder X - ray diffraction 950 ° C , 7 - A1,03 is formed in noticeable amounts ; at 1050 ° C , a - Al2O3 ...
Phase constitution of alumina samples annealed at extensively crystallized in the range 950–1050 ° C . At 900-1050 ° C as found by powder X - ray diffraction 950 ° C , 7 - A1,03 is formed in noticeable amounts ; at 1050 ° C , a - Al2O3 ...
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Vol 48 No 9 | 1280 |
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 anions atoms band bismuth bond bond lengths calculated cations Chem chemical Chemistry complex components composition compounds concentration constant containing coordination Copyright corresponding crystal crystal structure curves decreases determined diagram distances effect electronic energy experimental field formation formed heating hydrogen increases Inorganic intensity interaction ions Khim layer ligand materials measured melting metal method mixture molecules Moscow Neorg Note observed obtained Original oxidation oxygen parameters patterns phase Physics points positions prepared presented properties range ratio reaction REFERENCES refined reflections region respectively Russian salt samples Sciences shifts shown shows signals sodium solid solutions solubility space space group spectra spectrum stability structure studied synthesis Table temperature thermal tion transition Translation values vibrations X-ray diffraction