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Citation: Ma Zhi, Qin Yong-Ning, Qi Xiao-Zhou, Liang Zhen-Cheng, He Fei. Studies on Prepartion and CO Oxidation Activity of LaSrBO₄ Compound[J]. Acta Physico-Chimica Sinica, ;1998, 14(05): 453-457. doi: 10.3866/PKU.WHXB19980514 shu

Studies on Prepartion and CO Oxidation Activity of LaSrBO₄ Compound

1.
Department of Chemical Engineering,State Key Laboratory for Cl Chemical Engineering,Tianjin University,Tianjin 300072

Received Date: 20 June 1997
Available Online: 15 May 1998

LaSrBO4(B=Cu、Ni、 Co、 Fe、 Mn、 Cr ) was studied with respect to their preparation, characteristics and catalytic oxidation activity by means of XRD, XPS, electric conductivity and activity evaluation. Results showed that the calcination temperature has great influence on the formation of the phases of such samples, and was associated with the radius of B ion. The greater the B ion radius, the higher the calcination temperature required for the formation of the phases. It was also found that the activity and the relative content of adsorptive oxygen and lattice oxygen on the sample surf are, the activation energy of electron conduction and the CO oxidation activity may vary with different B ions, and demonstrate a dual-peak pattern with the increase in the number of 3d electrons of the B ion.
- LaSrBO₄,
- CO oxidation,
- K₂NiF₄ compound
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Studies on Prepartion and CO Oxidation Activity of LaSrBO4 Compound

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通讯作者: 陈斌, bchen63@163.com

Studies on Prepartion and CO Oxidation Activity of LaSrBO₄ Compound