Journal
ANALYTICAL LETTERS
Volume 36, Issue 5, Pages 971-986Publisher
MARCEL DEKKER INC
DOI: 10.1081/AL-120019256
Keywords
antimony; atomic absorption spectrometry; hydride generation; in-situ trapping
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This work presents results of determinations of inorganic Sb(III)/Sb(V) species and total content of antimony in water samples by the method of atomic absorption spectrometry with hydride generation and in-situ concentration in a graphite tube. The achieved determination limit (3sigma) was 0.014 ng/mL for determination of Sb(III) species and the total content of antimony. Moreover, the paper reports results of antimony determination in samples of mineral and tap water obtained by the method with the analyte concentration on the atomizer (graphite tube) surface. The content of antimony in the samples studied varied in the range from 0.04 ng/mL to 0.44 ng/mL for Sb(III) and from 0.22 ng/mL to 0.62 ng/mL for Sb(V).
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