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Mansour [9] reported thatcobalt nitrate hexahydrate decomposes in four steps: (i) melting at about 75 C, (ii) dehydration between 80 and 170 C forming cobalt nitrate monohydrate, (iii) dehydration and decomposition of the monohydrate into an unstable intermediate structure containing CoðNO3Þ2, CoO, Co2O3, and Co3O4, and finally, (iv) decomposition into Co3O4 at about 240 C. Malecki et al. [10] showed that in the intermediate structure Co2O3 H2O is also present. ¡¾9¡¿S.A.A. Mansour, Mater. Chem. Phys. 36 (1994) 317. ¡¾10¡¿A. Malecki, A. Malecka, R. Gajerski, B. Prochowska-Klisch and A. Podgo´ recka, J. Therm. Anal. 34 (1988) 203. Õâ¸öÒ²ÊÇһƪÎÄÏ×ÖÐÒýÓõ쬯äÖÐC±íʾÉãÊ϶ȣ¬¿¼µÄÖмä³öµãÎÊÌâ¡£ »¹ÓÐÄãµÄÎÊÌâÖÐÊÇÖ±½ÓÄÃÁùË®ÏõËáîÜÖ±½Ó×öTPRô£¿£¿ÎÊÌâÈÃÎÒÓеãÒÉ»ó¡£ [ Last edited by ycf2005 on 2008-8-4 at 21:10 ] |
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