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Calcium decavanadate containing 17 water molecules is stable up to 50 ° C . Dehydration in the temperature range 20 – 50 ° C was continued for 55 d . At 50–60 ° C , 11 water molecules were lost over a period of 52 d .
Calcium decavanadate containing 17 water molecules is stable up to 50 ° C . Dehydration in the temperature range 20 – 50 ° C was continued for 55 d . At 50–60 ° C , 11 water molecules were lost over a period of 52 d .
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-19,10 infrared spectra of pure lanthanide zirconates contain no bands in the wavenumber range above 550 cm The band at about 800 cm- ?, corresponding to the stretches of the Nb - O bond in a tetrahedral group , is characteristic of ...
-19,10 infrared spectra of pure lanthanide zirconates contain no bands in the wavenumber range above 550 cm The band at about 800 cm- ?, corresponding to the stretches of the Nb - O bond in a tetrahedral group , is characteristic of ...
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They were examined on a DTA apparatus using platinum x > 0.84 , temperature range 930–985 ° C ) and Srı - xCa CuO2 crucibles and a Pt - Pt / Rh thermocouple and also at ( 0.70 > x > 0 , the upper temperature limit is the solidus curve ) ...
They were examined on a DTA apparatus using platinum x > 0.84 , temperature range 930–985 ° C ) and Srı - xCa CuO2 crucibles and a Pt - Pt / Rh thermocouple and also at ( 0.70 > x > 0 , the upper temperature limit is the solidus curve ) ...
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SYNTHESIS AND PROPERTIES OF INORGANIC COMPOUNDS | 729 |
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