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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作者
Chwastowska, J. [1 ]
Zmijewska, W. [1 ]
Sterlinska, E. [1 ]
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[1] Dept. of Analytical Chemistry, Inst. Nuclear Chemistry/Technology, ul. Dorodna 16, 03-195 Warsaw, Poland
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Antimony compounds - Chemical activation - Resins - Sorbents - Sorption;
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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 0.5 M HCl solution. Both the separated species were determined directly on the sorbent by neutron activation analysis.
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页码:3 / 9
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