引用本文:
张玉亭, 戴仲善, 于洺, 张国春. 乙醇在相转化中的抑制作用[J]. 物理化学学报,
1994, 10(06): 532-535.
doi:
10.3866/PKU.WHXB19940610
Citation: Zhang Yu-Ting, Dai Zhong-Shan, Yu Ming, Zhang Guo-Chun. Alcohol as Inhibitor in Phase-transformation[J]. Acta Physico-Chimica Sinica, 1994, 10(06): 532-535. doi: 10.3866/PKU.WHXB19940610
Citation: Zhang Yu-Ting, Dai Zhong-Shan, Yu Ming, Zhang Guo-Chun. Alcohol as Inhibitor in Phase-transformation[J]. Acta Physico-Chimica Sinica, 1994, 10(06): 532-535. doi: 10.3866/PKU.WHXB19940610
乙醇在相转化中的抑制作用
English
Alcohol as Inhibitor in Phase-transformation
Abstract:
Alcohol, presented in the hydrolysis of ferric chloride at elevated temperature, inhibits the phase transformation from β-FeOOH to α-Fe_2O_3, reduces the supersaturation of the precipitated species α-F_2O_3, decreases the number of nucleation and therefore favours the formation of much larger uniform α-F_2O_3 particles. With increasing amount of alcohol, the sizes of particles increase, while the shapes of them change gradually from sphere to cube.
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Key words:
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Phase-transformation
- / Inhibitor
- / Supersaturation
- / Nucleation
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