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Nomenclature of the hydrotalcite supergroup;natural layered double hydroxides
LDH layered double hydroxide hydrotalcite hydrotalcite supergroup brucite nomenclature manasseite sjo¨grenite barbertonite cyanophyllite fouge`rite treⅴbeurdenite.
2013/12/6
Layered double hydroxide (LDH) compounds are characterized by structures in which layers with a brucite-like structure carry a net positive charge, usually due to the partial substitution of trivalent...
This study investigates the potential of a Zn/Al layered double hydroxides (LHDs) as an adsorbent for the removal of iodine species from potable water (Theiss et al., 2011b). In this paper the resulta...
The Solubility and Hydrolysis of Aqueous Aluminium Hydroxides in Dilute Fresh Waters at Different Temperatures
Solubility Hydrolysis Aqueous Aluminium Hydroxides Dilute Fresh Waters
2009/10/26
This study is mainly focusing on the effect of temperature and pH on the
chemistry of AI(OH),(s) using available thermodynamic data.
The calculations show that a doubling of the [Hf] or a decrease i...
Gold Supported on Iron Oxy-Hydroxides: a Versatile Tool for the Synthesis of Fine Chemicals
Gold catalysts selective hydrogenation selective oxidation
2009/7/28
A comprehensive overview on gold supported on ironoxy-hydroxides as tool for the synthesis of finechemicals is given. We will discuss on the catalyticactivity of gold supported on iron oxy-hydroxides ...
The reduction of chromate ions by Fe(II) layered hydroxides
chromate ions Fe(II) layered hydroxides
2009/5/27
The reduction of chromate ions by Fe(OH)2 and the iron (II)-iron (III) hydroxysulphate green rust, GR(SO42-), was studied to evaluate whether such synthetic layered hydroxides and the corresponding na...
卡托普利插层锌铝水滑石的超分子结构、热稳定性及缓释性能研究（Supramolecular Structure， Thermal Property and Sustained-release of Captopril-intercalated Zn/Al-layered Double Hydroxides）
水滑石 卡托普利 超分子结构 热稳定性 缓释
2010/8/18
采用共沉淀及离子交换的方法将高血压类药物卡托普利(Cpl)插入到Zn/Al-NO3-LDHs层间，借助XRD、FTIR、UV-Vis、TG-DTA和ICP等手段对样品进行表征。结果表明，Cpl阴离子可取代层间的NO3-，组装得到晶体结构良好的Cpl-LDHs。XRD结果表明得到的Cpl-LDHs的层间距为1.955～2.053 nm，并与根据PM3半经验分子轨道法优化计算得到的Cpl-三维尺寸进...
锂铝水滑石对水杨酸及其异构体的选择性插层研究（Competitive Intercalation of Geometric Isomers of Hydroxybenzoic Acid into [LiAl2(OH)6]Cl·yH2O Layered Double Hydroxides）
水滑石 选择性插层 水杨酸 异构体
2010/8/18
[LiAl2(OH)6]Cl·yH2O was prepared by co-precipitation. The competitive intercalation of geometric isomers of hydroxybenzoic acid into the interlayer of layered double hydroxides (LDHs) was studied by t...
Interlayer structure, anion dynamics, and phase transitions in mixed-metal layered hydroxides: Variable temperature 35Cl NMR spectroscopy of hydrotalcite and Ca-aluminate hydrate (hydrocalumite)
Cl -intercalated hydrotalcite Ca-aluminate hydrate Variable temperature
2012/3/31
The Cl NMR spectroscopy of Cl -intercalated hydrotalcite and the Ca-aluminate hydrate, the presence of
hydrocalumite (Friedel°Os salt) demonstrates dynamical behavior of interlayer C
dynamical orde...
Alteration of microbially precipitated iron oxides and hydroxides
Alteration microbially precipitated iron oxides hydroxides
2012/4/1
Iron oxide and hydroxides can be precipitated from solution with both Fe21 and Fe31 states by a microbial consortium enriched from surface water draining a granitic batholith. The Fe21/Fe31 ratio of t...
Rehydration of Zn-Al Layered Double Hydroxides
Hydrotalcite Hydrothermal Treatment Layered Double Hydroxide Reconstruction
2011/12/1
Abstract: Rehydration is shown to be straightforward for the reconstruction of polyoxometallate-pillared layered double hydroxides. Zn-Al hydrotalcite-like minerals were prepared with Zn/Al ratios of ...
Cation Ordering in Synthetic Layered Double Hydroxides
Cation Ordering LDH Pyroaurite XAS XRD
2011/12/22
Abstract: A combined powder X-ray diffraction (XRD) and X-ray absorption (XAS) study of Fe(III) cation ordering within pyroaurite is described. It is concluded that there is no correlation between Fe(...
Formation of Aluminum Hydroxides as Influenced by Aluminum Salts and Bases
Aluminum hydroxides Pseudoboehmite Sulfates
2011/12/1
Abstract: The influence of different ions in the formation of Al(OH)3 polymorphs has been studied experimentally by promoting stoichiometric reactions between the aluminum salts (AlCl3, Al(NO3)3, Al2(...
Synthesis and Catalytic Properties of Silicate-Intercalated Layered Double Hydroxides Formed by Intragallery Hydrolysis of Tetraethylorthosilicate
2-methyl-3-butyn-2-ol conversion Acidic and basic properties Intragallery hydrolysis Layered double hydroxides Silicate intercalation
2011/12/28
Layered double hydroxides (LDH's) interlayered with silicate anions were prepared by reaction of tetraethylorthosilicate (TEOS) with synthetic meixnerite-like precursors of the type [Mg1−xAlx(OH...
Effects of Humic Acid on the Crystallization of Aluminum Hydroxides
Aluminum hydroxide Bayerite Boehmite Crystallization Gibbsite Humic acid X-ray powder diffraction
2011/11/30
Abstract: The effects of humic acid (HA) on the crystallization of precipitation products of Al under mildly acidic to alkaline conditions were investigated. The extent of Al precipitation substantial...
Influence of Inorganic and Organic Ligands on the Formation of Aluminum Hydroxides and Oxyhydroxides
Aluminum hydroxide Boehmite Ligand Precipitation Pseudoboehmite X-ray powder diffraction
2012/1/13
Hydroxide and oxyhydroxide products of aluminum were formed at room temperature at an initial Al concentration of 2 × 10−3 M, pH 8.2, and at varying concentrations of organic and inorganic ligan...