Mercury speciation in environmental solid samples using thermal release technique with atomic absorption detection

A sensitive and very simple method for determination of mercury species in solid samples has been developed involving thermal release analysis in combination with atomic absorption (AAS) detection. The method allows determination of mercury(II) chloride, methylmercury and mercury sulfide at the leve...

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Bibliographic Details
Published in:Analytica chimica acta 2008-07, Vol.621 (2), p.148-154
Main Authors: Shuvaeva, Olga V., Gustaytis, Maria A., Anoshin, Gennadii N.
Format: Article
Language:English
Subjects:
Aluminum Oxide
Chemical Phenomena
Chemistry, Physical
Mercury - analysis
Mercury - chemistry
Mercury Compounds - analysis
Mercury speciation
Reproducibility of Results
Soil Pollutants - analysis
Soil Pollutants - chemistry
Solid environmental samples
Spectrophotometry, Atomic - instrumentation
Spectrophotometry, Atomic - methods
Temperature
Thermal analysis
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Summary:A sensitive and very simple method for determination of mercury species in solid samples has been developed involving thermal release analysis in combination with atomic absorption (AAS) detection. The method allows determination of mercury(II) chloride, methylmercury and mercury sulfide at the level of 0.70, 0.35 and 0.20 ng with a reproducibility of the results of 14, 25 and 18%, respectively. The accuracy of the developed assay has been estimated using certified reference materials and by comparison of the results with those of an independent method. The method has been applied for Hg species determination in original samples of lake sediments and plankton.
ISSN:0003-2670
1873-4324
DOI:10.1016/j.aca.2008.05.034