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extraction and separation of gallium

Extraction and separation of gallium, indium and thallium .

Extraction and separation of gallium, indium and thallium .

Apr 10, 2003 · A method is proposed for the extraction and individual separation of trivalent gallium, indium and thallium with sec-octylphenoxy acetic acid (CA-12), sec-nonylphenoxy acetic acid (CA-100) and naphthenic acid (NA) from chloride media.

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An extraction study of gallium, indium and thallium using .

An extraction study of gallium, indium and thallium using .

An extraction study of gallium, indium and thallium using TPASO as an extractant An extraction study of gallium, indium and thallium using TPASO as an extractant Vartak, Santosh V.; Shinde, Vijay M. 1998-03-01 00:00:00 A method is proposed for the extraction and individual separation of trivalent gallium, indium and thallium from salicylate media using .

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Extraction of gallium, indium and thallium . - SpringerLink

Extraction of gallium, indium and thallium . - SpringerLink

The surface of amino-functionalized silica gel was modified with gallic acid to give a newly chelating matrix for extraction of Ga(III), In(III) and Tl(III). The pH ranges for the sorption and elution were opimized. The sorption capacities of the matrix are 0.29, 0.32, 0.35 mmol g−1 for Ga(III), In(III) and Tl(III), respectively, the preconcentration factor is 250, and the lower limits of .

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Solid Phase Extraction and Preconcentration of Trace .

Solid Phase Extraction and Preconcentration of Trace .

Amino silica gel functionalized with 2-hydroxy-5 -(2-hydroxybenzylideneamino)benzoic acid was synthesized, characterized and used as adsorbent for the removal of .

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Evaluation of cupferron on the selective separation of .

Evaluation of cupferron on the selective separation of .

Nov 01, 2016 · •Gallium can be separated from aluminum using cupferron and SDS by flotation.•The optimum selective separation of gallium was obtained at pH 3.•Gallium forms 1:1.5 complexes with cupferron at pH 3.•The interaction between SDS and Ga(III)-cupferron complex is physical.•The bonding of cupferron with Ga(III) was considered to be as a bidentate ligand.

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Solvent Extraction of Gallium (III) from Basic Sodium .

Solvent Extraction of Gallium (III) from Basic Sodium .

Abstract Alkanoyl oxines have been used for the extraction of gallium from basic solution, especially for the selective recovery of gallium in the presence of excess aluminum from Bayer process sodium aluminate liquor. 5-Alkanoyl-8-hydroxyquinolines (R.CO.Ox), where R is the alkyl group C13H27 (myristoyl), C15H31 (palmitoyl), and C17H35 (stearoyl) were synthesized by .

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(PDF) ExtractionAndSeparationOfGaIII

(PDF) ExtractionAndSeparationOfGaIII

Extraction selectivity of In(III) and Ga(III) was investigated using 2-ethylhexyl thioglycolate (EHTG) with a thiol group and an oxygen atom to recover these metals from zinc refinery residue and .

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Liquid-liquid extraction and separation of gallium (III .

Liquid-liquid extraction and separation of gallium (III .

The separation of In(III), Ga(III) and Zn(II) from sulfate solution has been studied using an extraction resin containing 2-ethylhexyl phosphoric acid mono(2-ethylhexyl) ester (P507 extraction resin).

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Extraction and separation of gallium, indium and thallium .

Extraction and separation of gallium, indium and thallium .

A method is proposed for the extraction and individual separation of trivalent gallium, indium and thallium with sec-octylphenoxy acetic acid (CA-12), sec-nonylphenoxy acetic acid (CA-100) and .

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Gallium extraction method from waste products of process .

Gallium extraction method from waste products of process .

Extraction of gallium in the solution amounted to 98.5%. Example 3. To determine the value of the method of mechanochemical activation of the anode sludge activated in a laboratory disc eraser to the size of the particles -1 mm Leaching was carried out similarly to example 2. Extraction of gallium in the solution was 85.1%. Example 4.

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Extraction chromatography of aluminium (III) and mutual .

Extraction chromatography of aluminium (III) and mutual .

A selective method has been developed for the extraction chromatography of aluminium (III) and its separation from several metal ions with a chromatographic column containing N-n-octylaniline (a liquid anion exchanger) coated on silanized silica gel as a stationary phase.

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Oxidative dissolution of gallium arsenide and separation .

Oxidative dissolution of gallium arsenide and separation .

Jul 26, 1988 · However in cases where the gallium extraction in the initial separation is not complete, the aqueous phase can be subjected to further extraction treatment, using for example about an equal volume of hydrocarbon solvent containing 2 to 40% or so by weight of hydroxamic acid extractant, say 20%, and organic extracts can be combined for stripping.

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Adsorption of Indium and Gallium on Natural Banana Fiber

Adsorption of Indium and Gallium on Natural Banana Fiber

ISEC 2017 - The 21st International Solvent Extraction Conference Adsorption of Indium and Gallium on Natural Banana Fiber Tetsuto KAJIYAMA1,*, KensukeARAI2 and Hisao KOKUSEN3 1Jonan Branch, Regional Technology Support Division, Commercialization Support Development, Tokyo Metropolitan Industrial Technology Research Institute, Minamikamata 1-20-20, Ota, Tokyo

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Separation of gallium and arsenic in wafer grinding .

Separation of gallium and arsenic in wafer grinding .

Wafer grinding extraction solution was passed through a supported liquid membrane (SLM) that contained PC88A (2-ethylhexyl phosphonic acid mono 2-ethylhexyl ester) as a carrier, to separate gallium from arsenic by selective permeation. The SLM separation process was conducted under various conditions.

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Gallium Solvent Extraction

Gallium Solvent Extraction

Gallium extraction using OPAP was hindered when ferric iron was present in solution. Therefore, it was necessary to maintain the iron in the filtrate in a reduced state. This was accomplished by contacting the solution with metallic iron. Rate and isotherm tests were completed for gallium extraction with OPAP.

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Separation and recovery of gallium and indium from .

Separation and recovery of gallium and indium from .

Abstract. The separation and recovery of gallium and indium from zinc refinery residue, using liquid-liquid extraction, has been investigated. The major components with the exception of zinc can be removed by extraction with tri-n-butyl phosphate at low aqueous acidity, and gallium and indium can be separated from the remaining major component, zinc, by extraction with bis(2-ethylhexyl .

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Simultaneous Extraction and Separation of Liquiritin .

Simultaneous Extraction and Separation of Liquiritin .

There have been some reports on the separation of LQ, GA, and glabridin, respectively [19,20]. However, a method for the simultaneous extraction of these three compounds has not yet to be established. Hence, the purpose of this study is to develop a simple method to simultaneously extract LQ, GA, and glabridin from licorice and isolate the .

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Specific Separation and Preconcentration of Trace Amounts .

Specific Separation and Preconcentration of Trace Amounts .

download open access journal Specific Separation and Preconcentration of Trace Amounts of Gallium in Water and Rice Samples utilizing Cloud Point Extraction and Determination Research Journal of Chemistry and Environment (ISSN: 09720626) is a monthly peer-reviewed fast international publishing journal.

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Separation and recovery of gallium and indium from .

Separation and recovery of gallium and indium from .

Abstract. The separation and recovery of gallium and indium from zinc refinery residue, using liquid-liquid extraction, has been investigated. The major components with the exception of zinc can be removed by extraction with tri-n-butyl phosphate at low aqueous acidity, and gallium and indium can be separated from the remaining major component, zinc, by extraction with bis(2 .

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Analysis of Mixtures of Aluminum, Gallium, and Indium by .

Analysis of Mixtures of Aluminum, Gallium, and Indium by .

Analysis of Mixtures of Aluminum, Gallium, and Indium by Solvent Extraction and Gas Chromatography.

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Gallium Solvent Extraction

Gallium Solvent Extraction

Gallium extraction using OPAP was hindered when ferric iron was present in solution. Therefore, it was necessary to maintain the iron in the filtrate in a reduced state. This was accomplished by contacting the solution with metallic iron. Rate and isotherm tests were completed for gallium extraction with OPAP.

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CONCEPTUAL DESIGN FOR SEPARATION OF PLUTONIUM .

CONCEPTUAL DESIGN FOR SEPARATION OF PLUTONIUM .

The principal unit operations required for separation of plutonium and gallium by most solvent extraction processes are shown in Figure 1. The Feed Preparation and Solvent Extraction operations are the most important for this study. The Pu-Product operation will involve classical oxalate precipitation of liquid Pu-nitrate followed by .

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Extraction and Separation of Gallium Using Cyanex 301: Its .

Extraction and Separation of Gallium Using Cyanex 301: Its .

The extracting species has been identified. It has been possible to attain separations of Ga(III) from commonly associated metal ions by selective extraction/stripping. The partition behavior has been successfully extended to the recovery of gallium in good yield with high purity from Bayer's liquor.

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Separation and concentration of gallium from acidic leach .

Separation and concentration of gallium from acidic leach .

Nov 01, 2004 · Read "Separation and concentration of gallium from acidic leach solutions containing various metal ions by emulsion type of liquid membranes using TOPO as mobile carrier, Hydrometallurgy" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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Extraction of gallium, indium and thallium . - SpringerLink

Extraction of gallium, indium and thallium . - SpringerLink

The surface of amino-functionalized silica gel was modified with gallic acid to give a newly chelating matrix for extraction of Ga(III), In(III) and Tl(III). The pH ranges for the sorption and elution were opimized. The sorption capacities of the matrix are 0.29, 0.32, 0.35 mmol g−1 for Ga(III), In(III) and Tl(III), respectively, the preconcentration factor is 250, and the lower limits of .

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Separation of GaCl3 from AlCl3 by Solid–Liquid Extraction .

Separation of GaCl3 from AlCl3 by Solid–Liquid Extraction .

gallium.9−11 Therefore, purification of gallium via a chloride route involves the separation of GaCl 3 and these associating chloride compounds, including AlCl 3,InCl 3,orSbCl 3. Hydrometallurgical processes, such as solvent extraction and ion exchange, are the main processes for the separation of gallium from these associating elements.8,10 .

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Extraction and separation of gallium, indium and thallium .

Extraction and separation of gallium, indium and thallium .

In this paper, we compared the extraction of gallium (III), indium (III) and thallium (III) with CA-12, CA-100 and NA. Studied the effects of initial pH, concentrations of extractants, stripping agents and foreign ions. Proposed a method for the extraction and individual separation of trivalent gallium, indium and thallium with CA-12.

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Extraction and separation of gallium(III) from zinc(II) by .

Extraction and separation of gallium(III) from zinc(II) by .

The extraction of gallium(III) from aqueous hydrochloric, nitric, or perchloric acid solutions by 2-carbethoxy-5-hydroxy-1-(4-tolyl)-4-pyridone (HA) dissolved in chloroform was studied with the aid of 72 Ga. From less than 10 −2 M acid concentration gallium is quantitatively extracted; with increasing of the acid concentration the extraction of gallium diminishes and at 3 M acid gallium .

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A Review on Separation of Gallium and Indium from Leach .

A Review on Separation of Gallium and Indium from Leach .

Although complete separation of In(III) from Ga(III) is possible using ion exchange or solvent-impregnated resins/gels, these methods are limited in industrial applications due to low adsorption capacity for metals. Solvent extraction with amines, acidic, and neutral extractants is commonly employed to separate these two metal ions.

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Specific Separation and Preconcentration of Trace Amounts .

Specific Separation and Preconcentration of Trace Amounts .

download open access journal Specific Separation and Preconcentration of Trace Amounts of Gallium in Water and Rice Samples utilizing Cloud Point Extraction and Determination Research Journal of Chemistry and Environment (ISSN: 09720626) is a monthly peer .

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