Determination of microamounts strontium by substoichiometric isotope dilution analysis |
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| Authors: | P Vaňura V Jedináková-Křížová |
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| Institution: | (1) Department of Analytical Chemistry, Institute of Chemical Technology, 16628 Prague, Czech Republic |
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| Abstract: | The isotope dilution with substoichiometric separation for the determination of strontium has been investigated. Strontium
can be extracted with a substoichiometric amount of bis-1,2-dicarbollylcobaltate in nitrobenzene in the presence of 15-crown-5.
It has been found, that Li+, Mg2+, Ca2+ and Fe3+ do not interfere in the strontium determination but the high extraction of K+, Na+ and NH4
+ ions results in marked influence. |
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