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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 shu

Alcohol as Inhibitor in Phase-transformation

1.
Tianjin College of Textile Technology, Tianjin 300160

Received Date: 18 February 1993
Available Online: 15 June 1994

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.
- Phase-transformation,
- Inhibitor,
- Supersaturation,
- Nucleation
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