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题名: Kinetics of synthetic of Cl- type hydrotalcitelike with coprecipitationreaction
作者: Gou, GJ ;  Ma, PH ;  Chu, MX
刊名: ACTA PHYSICO-CHIMICA SINICA
出版日期: 2004
卷号: 20, 期号:11, 页码:1357-1363
英文摘要: The dynamics feature and mechanism of preparation of layered double hydroxides pillared by Cl- anion (LDH-Cl) with coprecipitation reaction had been investigated, based on the result of monitoring concentrations during reaction course, and on the result of EDS, IR, XRD, TEM and TG-DTA characterization for samples produced from different reaction course. The results testified that the generating of LDH-Cl was controlled by polynuclcar layer surface reaction mechanism. It was also found that the lattice parameter c decreased from 2. 421 nm to 2. 399 nm, and h from 0. 3321 nm to 0. 3228 nm, with grain size increasing of D-a from 6. 40 nm to 15. 16 nm, D. from 7. 43 nm to 10. 93 nm, and increasing of aspect ratio from 0. 86 to 1. 39 during the whole reaction course, in addition, the strength of interaction between sheet and anions and the structure stability of sheet enhancing with reaction course as showed by IR and TG-DTA characterization. The dynamics feature and mechanism of preparation of layered double hydroxides pillared by Cl- anion (LDH-Cl) with coprecipitation reaction had been investigated, based on the result of monitoring concentrations during reaction course, and on the result of EDS, IR, XRD, TEM and TG-DTA characterization for samples produced from different reaction course. The results testified that the generating of LDH-Cl was controlled by polynuclcar layer surface reaction mechanism. It was also found that the lattice parameter c decreased from 2. 421 nm to 2. 399 nm, and h from 0. 3321 nm to 0. 3228 nm, with grain size increasing of D-a from 6. 40 nm to 15. 16 nm, D. from 7. 43 nm to 10. 93 nm, and increasing of aspect ratio from 0. 86 to 1. 39 during the whole reaction course, in addition, the strength of interaction between sheet and anions and the structure stability of sheet enhancing with reaction course as showed by IR and TG-DTA characterization.
收录类别: SCI
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2358
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
Gou, GJ,Ma, PH,Chu, MX. Kinetics of synthetic of Cl- type hydrotalcitelike with coprecipitationreaction[J]. ACTA PHYSICO-CHIMICA SINICA,2004,20(11):1357-1363.
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