搜索结果: 1-7 共查到“地质学 Hydrotalcite-Like Compounds”相关记录7条 . 查询时间(0.078 秒)
Decarbonation Behavior of Mg-Al-CO3 Hydrotalcite-like Compounds during Heat Treatment
Decarbonation Heat treatment Hydrotalcite
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2011/12/28
Historically, the decarbonation of Mg-Al-CO3 hydrotalcite-like compounds (HTlc) has been thought to occur between 400° and 500°C. The present work demonstrates that when HTlcs having the maximum Al co...
Formation of Hydrotalcite-like Compounds During R7T7 Nuclear Waste Glass and Basaltic Glass Alteration
Basaltic glass Experimental alteration Hydrotalcite-like compounds MgCl2-CaCl2 salt solution R7T7 nuclear waste glass Saponite
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2011/12/29
Alteration experiments have been performed using RTT7 and synthetic basaltic glasses in MgCl2-CaCl2 salt solution at 190∑C. The duration of experiments ranged from 0.25 to 463 days. The alteration pro...
Preparation and Characterization of Al-Rich Zn-Al Hydrotalcite-Like Compounds
Hydrotalcite Nuclear magnetic resonance Scanning-transmission electron microscopy Synthesis X-ray powder diffraction Zinc
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2012/1/6
Hydrotalcite-like compounds, described by the formula [Zn1-xAlx(OH)2][(CO3)x/2 · nH2O], were prepared by coprecipitation methods at 80°C and characterized by bulk chemical analysis, X-ray powder diffr...
Syntheses of Disordered and Al-rich Hydrotalcite-Like Compounds
Syntheses of Disordered Al-rich Hydrotalcite-Like Compounds
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2012/1/12
Hydrotalcite-like compounds, [Mg1−xAlx(OH)2]x+ [xX− · n H2O], where X− = ½ CO32- or OH−, were prepared by hydrothermal syntheses at PH2O = 100 MPa and T = 100°–350°C. St...
Anion-Exchange Properties of Hydrotalcite-Like Compounds
Anion exchange Anion selectivity Crystallite size Hydrotalcite Naphthol Yellow S X-ray powder diffraction
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2012/2/7
Ion-exchange isotherms between hydrotalcite-like compounds (HT) of the NO3-, Cl-, and SO4- forms and F−, Cl− Br−, I−, OH−, SO42−, CO32−, and Naphthol Yellow S...
Synthesis of Hydrotalcite-Like Compounds and their Physico-Chemical Properties—The Systems Mg2+-Al3+-SO42− and Mg2+-Al3+-CrO42−
Synthesis Hydrotalcite-Like Compounds Physico-Chemical Properties
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2011/11/18
Abstract: Hydrotalcite-like compounds [MgI − xAlx(OH)2]x+ [Ax/22−, mH2O]x−, where A2− is SO42− or CrO42− and x ≇ 0.25, were prepared by a coprecipitation meth...
The Syntheses of Hydrotalcite-Like Compounds and Their Structures and Physico-Chemical Properties I: The Systems Mg2+-Al3+-NO3−, Mg2+-Al3+-Cl−, Mg2+-Al3+-ClO4−, Ni2+-Al3+-Cl− and Zn2+-Al3+-Cl−
Syntheses Hydrotalcite-Like Compounds Physico-Chemical Properties
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2012/2/15
The basic salts of this system were prepared and their structures and physico-chemical properties were studies by electron microscopy, chemical analysis, X-ray powder diffraction, thermal analysis, i....