Determination of antimony(III,V) in natural waters by separation and preconcentration on a thionalide loaded resin followed by neutron activation analysis |
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| Authors: | J Chwastowska W Zmijewska E Sterlińska |
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| Institution: | (1) Department of Analytical Chemistry, Institute of Nuclear Chemistry and Technology, ul. Dorodna 16, 03-195 Warsaw, Poland |
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| Abstract: | A chelating sorbent obtained by immobilization of thionalide on the macroporous resin Bio Beads SM-7 was used for speciation of antimony(III) and (V) in natural waters. Antimony(III) was separated from Sb(V) by sorption on a column with the sorbent at pH 5. Antimony(V) in the effluent was reduced to Sb(III) and preconcentrated by sorption on the sorbent from 0.5M HCl solution. Both the separated species were determined directly on the sorbent by neutron activation analysis. |
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