purification of antimony

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  • Purification of crude As2O3 recovered from antimony ,

    Purification of crude As2O3 recovered from antimony smelting arsenic-alkali residue Process Safety and Environmental Protection IF 4966 Pub Date 2020-04-29, DOI 101016/jpsep202004015...

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  • Antimony contamination, consequences and removal ,

    A significant amount of antimony Sb enters into the environment every year because of the wide use of Sb compounds in industry and agriculture The exposure to Sb, either direct consumption of Sb or indirectly, may be fatal to the human health because both antimony and antimonide are toxic Firstl ,...

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  • Removal of Antimonite Sb III and Antimonate Sb V ,

    Zirconium oxide ZrO2 -carbon nanofibers ZCN were fabricated and batch experiments were used to determine antimonite Sb III and antimonate Sb V adsorption isotherms and kinetics ZCN have a maximum Sb III and Sb V adsorption capacity of 7083 and 5717 mg/g, respectively The adsorption pr ,...

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  • Purification of crude As2O3 recovered from antimony ,

    01-07-2020 0183 32 The purification process is efficient and environmentally friendly Abstract In this study, a combined process of acidic oxidation leaching and SO 2 reduction was proposed to purify crude As 2 O 3 recovered from antimony smelting arsenic-alkali residue...

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  • Removal of antimony V and antimony III from drinking ,

    01-09-2009 0183 32 After an extensive literature searching, we found that, antimony purification from waters, particularly from drinking water, is barely touched by the environmental scholars, although it is, similar to arsenic, a pollutant of prime interest to the USEPA and the EU, and occurs widely in the environment as a result of natural processes and human activity...

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  • Removal of antimony V and antimony III from drinking ,

    01-09-2009 0183 32 Antimony occurs widely in the environment as a result of natural processes and human activity Although antimony is similar to arsenic in chemical properties and toxicity, and a pollutant of priority interest to the USEPA and the EU, its environmental behaviors, control techniques, and even solution chemistry, are yet barely touched...

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  • Antimony and Antimony Compounds

    15-07-2006 0183 32 Refining and fine purification techniques are used for production of pure antimony metal There is growing demand for extremely pure antimony Antimony oxide is being used as flame retardant in increasing quantiti Antimony is a component of many lead and tin alloys, which are important materials for making bearings and solders...

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  • A new purification method based on a thiol silica column ,

    A new purification method based on a thiol silica column for high precision antimony isotope measurements Journal of Analytical Atomic Spectrometry IF 4023 Pub Date 2020-11-02, DOI 101039/d0ja00367k...

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  • Chromatographic purification of antimony for accurate ,

    A two-step method for purifying antimony Sb from geological samples for accurate measurement of Sb isotopic composition using multi-collector ,...

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  • Chromatographic purification of antimony for accurate ,

    A two-step method for purifying antimony Sb from geological samples for accurate measurement of Sb isotopic composition using multi-collector inductively coupled plasma mass spectrometry MC-ICP-MS was developed Sb was separated from the matrix using two successive chromatographic columns loaded with AG 1-X4 and AG 50W-X8 resin, respectively...

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  • EVALUATION OF THE EFFICIENCY OF THE PROCESSES OF ,

    separation of arsenic from antimony When antimony of 999X purity is used as the starting material, it Is difficult to obtain antimony of semiconductor purity grade by means of physical methods Therefore preliminary purification, generally by chemical methods, is carried out A physico-chemical method was proposed for production of antimony of...

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  • Of antimony metal vacuum Purification and Preparation of ,

    The of antimony producing country and antimony reserves in the world But China s antimony ingot, antimony products species are very few , refining a theoretical analysis to prove that higher purity antimony metal can be prepared on the basis of the vacuum purification zone refining technology...

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  • Removal of antimony V and antimony III from drinking ,

    Antimony occurs widely in the environment as a result of natural processes and human activity Although antimony is similar to arsenic in chemical properties and toxicity, and a pollutant of priority interest to the USEPA and the EU, its environmental behaviors, control techniques, and even solution chemistry, are yet barely touched...

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  • Efficient removal of antimony from aqueous ,

    To minimize the health risks from antimony in aqueous environment, a polymer assisted ultrafiltration PAUF process with polyethersulfone PES membrane was employed to remove antimony for the first time Effects of polymer, pH value and functional groups/Sb ions quantity ratio on antimony removal were systematically explored Finally, antimony rejection ,...

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  • Recycling of Antimony and Zinc from Metal Oxide Varistors ,

    Purification of the leachate via cementation was investigated, initial findings suggested that the cobalt concentration can be reduced by nearly 45 , nickel concentration reduced by nearly 60 , and antimony and copper can be completely removed from the leachate at ,...

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  • Removal of antimony III and antimony V from drinking ,

    13-12-2010 0183 32 Antimony, a pollutant of priority interest by United States Environment Protection Agency USEPA and Europe Union EU , is detected in soil and water with elevated concentration due to its extensive use in a variety of industri However, antimony purification from liquid system is yet poorly documented...

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  • Novel technology of purification of copper electrolyte ,

    01-10-2007 0183 32 The purification principle show that a kind of yellow precipitate mainly composed of arsenic, antimony V , bismuth and oxygen forms in electrolyte after copper arsenite is added, and consequently antimony and bismuth are removed from electrolyte...

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  • Correction A single

    Correction A single-step purification method for the precise determination of the antimony isotopic composition of environmental, geological and biological samples by HG-MC-ICP-MS C Ferrari, E Resongles, R Freydier and C Casiot, J Anal At Spectrom, 2021, 36, 2560 DOI 101039/D1JA90048J...

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