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Citation: Hu Rui-Sheng, Duan Yi-Wen, Shen Yue-Nian, Jia Mei-Lin. Effects of Adding Various Complexing Agents on the Formation of Single Phase LaFeO₃[J]. Acta Physico-Chimica Sinica, ;1999, 15(06): 541-544. doi: 10.3866/PKU.WHXB19990611 shu

Effects of Adding Various Complexing Agents on the Formation of Single Phase LaFeO₃

1.
Department of Chemistry,Inner Mon lla University,010021 Huhhot

Received Date: 4 November 1997
Available Online: 15 June 1999

In this paper, polycrystalline powders of LaFeO3 have been prepared by the decomposation of mixed nitrates with and without various complexing agents respectively. The Phase changes at different temperatures have been investigated by XRD, TG, DTA and IR. The effects of adding complexing agent, citric acid, HAC and EDTA, on the formation of single phase LaFeO3 have been discussed. The formation of single phase perovskite-type LaFeO3 are favoured by adding various complexing agents. The favourable order for the formations of LaFeO3 is that citric acid＞HAC≈EDTA.
- Perovskitd-type oxides,
- Rare earths,
- Complexing agent
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Effects of Adding Various Complexing Agents on the Formation of Single Phase LaFeO3

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通讯作者: 陈斌, bchen63@163.com

Effects of Adding Various Complexing Agents on the Formation of Single Phase LaFeO₃