二水草酸镍在空气中热分解过程的研究

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Abstract: Process of pyrolytic decomposition of NiC2O4·2H2O in the air was investigated by TG-DSC and laser granulometry.Results showed that there were two stages in the process of pyrolytic decomposition of NiC2O₄·2H2O in the air.Firstly,the crystal water in NiC₂O₄·2H₂O was lost at 175~275 ℃.Secondly,NiC2O4 was decomposed into NiO at 325~400 ℃.At the same time,the change of the particle size of pyrolytic decomposition product was the largest at 246.5~357.8 ℃ and the change was less at 357.8~400.0 ℃.Therefore,in order to prepare ultra fine NiO powder the pyrolytic decomposition conditions of NiC₂O₄·2H₂O can be controlled by stages.

FU Xiao-Ming, LIU Zhao-Wen, XUE Shan-Shan. Research on process of pyrolytic decomposition of NiC₂O₄·2H₂O in the air[J]. INORGANICCHEMICALSINDUSTRY, 2011, 43(1): 25-26.

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Research on process of pyrolytic decomposition of NiC₂O₄·2H₂O in the air

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Research on process of pyrolytic decomposition of NiC2O4·2H2O in the air

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Research on process of pyrolytic decomposition of NiC₂O₄·2H₂O in the air