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  • 1995-1999  (2)
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Material
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Year
  • 1
    Electronic Resource
    Electronic Resource
    Adsorption of radioisotopes from their organic solutions on filter papers the Sb(III)-nonpolar solvents-system (1996)
    Springer
    Journal of radioanalytical and nuclear chemistry 209 (1996), S. 135-145 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The extraction of Sb(III) chloride by nonpolar solvents from 0.15M HCl was studied as a function of sulphuric acid concentrations in the aqueous phase. The distribution of Sb(III) chloride between the nonpolar solvents benzene, toluene, xylene, nitrobenzene, cyclohexane, chloroform and carbon tetrachloride and filter paper is reported. In case of benzene the Sb(III) activity (given in counts·s−1·ml−1) decreases from ∼1500 to ∼200 after 24 hours. The corresponding values are about 1200 and 540 for toluene, 1330 and 50 for xylene, 1050 and 700 for nitrobezene, 1080 and 22 for cyclohexane, 330 and 30 for chloroform and 130 and 40 for carbon tetrachloride. More than 95% of the adsorbed Sb(III) is desorbed by 1M HNO3, 1M HCl or 0.5M H2SO4 by contacting the loaded filter paper with any of these acids for 27 hours.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02063538
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Studies on sorption of antimony and europium from liquid organic and aqueous radioactive wastes on different sorbents (1997)
    Springer
    Journal of radioanalytical and nuclear chemistry 221 (1997), S. 153-159 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Sorption of124Sb(III) from benzene, toluene, o-xylene and nitrobenzene on treated fly ash, pyrolysis residue and bentonite clay was studied at room temperature using the batch method. In comparison to a former study for the sorption of124Sb(V), the results revealed relatively higher sorption of the trivalent state than the pentavalent one. According to the type of the nonpolar solvent used, the order of uptake of the radioactive isotopes was often o-xylene≥toluene〉benzene. The sorption tendency of the sorbents used towards the radionuclides was: bentonite≥pyrolysis residue〉treated fly ash. Sorption from an aqueous medium on the same sorbents has also been investigated for124Sb(III) compared to124Sb(V),152Eu(III) and their mixtures. The obtained results showed that the order of uptake of the different radionuclides was: Eu(III)〉〉Sb(III)〉Sb(V)〉mixture. The investigation was extended to the desorption studies of these radionuclides in the acidic and the neutral media from the dried radioactivity loaded sorbents.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02035258
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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