引用本文:
张斌, 万红, 郑燕柯, 阮谦, 吴念祖, 谢有畅, 唐有祺. MoO3、NiO、ZnO在小表面金红石上的分散行为[J]. 物理化学学报,
1998, 14(05): 385-390.
doi:
10.3866/PKU.WHXB19980501
Citation: Zhang Bin, Wan Hong, Zheng Yan-Ke, Ruan Qian, Wu Nian-Zu, Xie You-Chang, Tang You-Qi. Study of Dispersion of MoO3,NiO,ZnO onto Rutile with Low Surface Area[J]. Acta Physico-Chimica Sinica, 1998, 14(05): 385-390. doi: 10.3866/PKU.WHXB19980501
Citation: Zhang Bin, Wan Hong, Zheng Yan-Ke, Ruan Qian, Wu Nian-Zu, Xie You-Chang, Tang You-Qi. Study of Dispersion of MoO3,NiO,ZnO onto Rutile with Low Surface Area[J]. Acta Physico-Chimica Sinica, 1998, 14(05): 385-390. doi: 10.3866/PKU.WHXB19980501
English
Study of Dispersion of MoO3,NiO,ZnO onto Rutile with Low Surface Area
Abstract:
Dispersion of MoO3, NiO, ZnO on rutile TiO2 with low specific surface area was studied with Mercury Porosimeter, SEM, XPS and Ammonia Extraction method. The dispersion thresholds of MoO3, NiO, ZnO on three rutile TiO2 carriers were obtained with XPS, and com-pared with those on anatase TiO2 with high specific surf are area. Ammonia Extraction method was used to identify the surface oxide species interarting with support surface in different strength and it was found that the proportions of oxides that can not be extracted by ammonia extraction are different for MoO3, NiO and ZnO which are supported on rutile TiO2.
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Key words:
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Low specific surface support
- / Spontaneous dispersion
- / Dispersion threshold
- / MoO3
- / NiO
- / ZnO
- / Rutile TiO2
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