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Experimental study of rare earth element partitioning between calcite and sodium chloride solution at room temperature and pressure
rare earth elements lanthanide calcite partition coefficient calcium carbonate
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2017/4/11
The rare earth element (REE) partition coefficients between calcite and aqueous solution were obtained experimentally
under the conditions of pH, ionic strength and REE concentration level in the par...
Stable chlorine isotope ratio analysis of subnanomolar level methyl chloride by continuous-flow isotope ratio mass spectrometry
stable chlorine isotope ratio continuous flow isotope ratio mass spectrometry methyl chloride
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2017/4/11
An analytical system using continuous-flow isotope ratio mass spectrometry (CF-IRMS) was developed to determine
the stable chlorine isotope ratios (δ37Cl) for CH3Cl. By using appropriate devices for ...
Novel Blend Films Prepared from Solution of Collagen and Cellulose in 1-Allyl-3-methylimidazolium Chloride Ionic Liquid
Blend Films Cellulose Collagen Compatibility Ionic Liquid
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2011/12/22
Collagen/cellulose films were made by the blend solutions of collagen, cellulose in this paper. To begin with, collagen and cellulose was dissolved in 1-allyl-3-methylimidazolium chloride ([Amim]Cl）. ...
Electroacoustic Study of Adsorption of Cetylpyridinium Chloride on Kaolinite
Electroacoustics Adsorption Cetylpyridinium ion Kaolin Electrokinetics Dynamic mobility
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2011/12/30
Adsorption of cetylpyridinium chloride (CPC) onto kaolinite can be followed using the electroacoustic effect. The dynamic mobility, measured at a frequency of 1 MHz, varies from about −2 to +1 ×...
Sodium and Chloride Sorption by Imogolite and Allophanes
Zero net charge Nuclear magnetic resonance Isomorphic substitution PZC Ion adsorption Permanent charge Salt absorption Intercalation
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2011/12/30
The surface excesses of Na and Cl on synthetic imogolite and allophanes with varying Al/Si molar ratios in 0.10 M and 0.01 M NaCl solutions were determined using 22Na and 36Cl as ion probes. The point...
Effect of Negative Surface-Charge Densities of Smectite Clays on the Adsorption Isotherms of Racemic and Enantiomeric Tris(2,2′-Bipyridyl)Ruthenium(II) Chloride
Adsorption Enantiomorphs Racemic pairs Smectite Surface charge Tris(2,2′-bipyridyl)ruthenium(II)
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2012/1/5
The level of adsorption of enantiomeric tris(2,2′-bipyridyl)ruthenium(II) (Ru(bpy)32+ by seven different smectite samples was found to be controlled by the total surface area of the clay. The level co...
Influence of Dodecylamine Chloride on the Surface Free Energy of Kaolinite
Contact angle Dodecylamine chloride Hydrophobicity Kaolinite Surface free energy
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2011/11/30
Abstract: Contact angles of glycerol and diiodomethane drops were measured on the surface of kaolin pellets covered with different amounts of dodecylamine chloride (DDACl) to as much as one monolayer....
Influence of Mn2+ and pH on the Formation of Iron Oxides from Ferrous Chloride and Ferrous Sulfate Solutions
Goethite Infrared spectroscopy Iron oxides Lepidocrocite Maghemite Manganese Synthesis X-ray powder diffraction
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2012/1/6
The influence of Mn2+ on the formation of Fe oxides at pHs of 6.0 and 8.0 and varying Mn/Fe molar ratios (0, 0.1, 1.0, and 10.0) in the FeCl2-NH4OH and FeSO4-NH4OH systems was studied by X-ray powder ...
Mechanisms of Gibbsite Crystallization from Partially Neutralized Aluminum Chloride Solutions
Aluminum hydroxide Crystallization Gibbsite OH-Al polymer Nucleation
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2011/11/28
Abstract: To interpret the erratic conditions, rates, and extent of gibbsite crystallization from partially neutralized AlCl3 solution, the following hypothesis is proposed: The initial OH-Al polymers...
Influence of Chloride on the Formation of Iron Oxides from Fe(II) Chloride. II. Effect of [Cl] on the Formation of Lepidocrocite and its Crystallinity
Chloride Green rust Iron oxides Lepidocrocite Oxidation X-ray powder diffraction
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2012/2/3
Diffractograms of lepidocrocites formed from the oxidation of Fe(II) chloride solutions at pH 7 and 25∑C showed differential line broadening with (0k0) reflections being much sharper than (hk0) or (hk...
Influence of Chloride on the Formation of Iron Oxides from Fe(II) Chloride. I. Effect of [Cl]/[Fe] on the Formation of Magnetite
Akaganeite Chloride Green rust Iron Lepidocrocite Maghemite Magnetite Synthesis
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2012/2/3
The formation of fine-grained magnetite (∼0.1 µm) at pH 7 and 25°C from aeration of Fe(II) chloride solutions is presented. The magnetite converted at 105°C to maghemite with poorly develo...
High Surface Area Solids Obtained by Reaction of Montmorillonite with Zirconyl Chloride
Adsorption Exchange Hydroxyzirconium Montmorillonite Surface Zirconium
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2012/2/9
Exchange reactions of Na-montmorillonite with zirconyl chloride solutions give products with basal spacings near 18 Å which are stable to 500°C and have surface areas of the order of 300–400 m2/...
Crystal Nucleation and Growth in Hydrolysing Iron(III) Chloride Solutions
Crystal Nucleation Hydrolysing Iron Chloride Solutions
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2011/11/18
Abstract: 0.5 molal iron(III) chloride solutions were hydrolysed at room temperature by base additions in the range OH/Fe mole ratio 0–2.75. After an ageing period the hydrolysed solutions were used t...