Determination of cadmium in lichens by solid sampling graphite furnace atomic absorption spectrometry (SS-GF-AAS)

The determination of trace metal contents directly from a solid sample is a trend in modern atomic spectrometry. The aim of this study was to develop an analytical method for the routine determination of Cd in lichens using solid sampling graphite furnace atomic absorption spectrometry (SS-GF-AAS)....

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Bibliographic Details
Published in:Environmental monitoring and assessment 2020-04, Vol.192 (4), p.222, Article 222
Main Authors: Coufalík, Pavel, Uher, Antonín, Zvěřina, Ondřej, Komárek, Josef
Format: Article
Language:English
Subjects:
Absorption
Absorption spectroscopy
Algae
Analytical methods
Anatomical structures
Antarctic Regions
Atmospheric Protection/Air Quality Control/Air Pollution
Atomic absorption analysis
Atomic absorption spectroscopy
Cadmium
Cadmium - analysis
Earth and Environmental Science
Ecology
Ecotoxicology
Environment
Environmental Management
Environmental Monitoring
Environmental Pollutants - analysis
Environmental science
Environmental studies
Graphite
Heavy metals
Islands
Lichens
Lichens - chemistry
Mathematical analysis
Metal content
Monitoring/Environmental Analysis
Palladium
Plant physiology
Reference materials
Rye
Sampling
Scientific imaging
Seaweeds
Spectral analysis
Spectrometry
Spectrophotometry, Atomic
Thalli
Trace metals
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Summary:The determination of trace metal contents directly from a solid sample is a trend in modern atomic spectrometry. The aim of this study was to develop an analytical method for the routine determination of Cd in lichens using solid sampling graphite furnace atomic absorption spectrometry (SS-GF-AAS). For the determination of Cd, the temperature program of the graphite furnace was optimized using a mixed matrix modifier (Pd + Mg (NO 3 ) 2  + Triton X-100). The limit of detection and the limit of quantification were 0.9 μg/kg and 3 μg/kg, respectively. The analytical method for Cd determination in the plant matrix was verified by the analysis of certified reference materials of lichens, seaweed, and rye grass. The developed procedure was applied to the study of Cd distribution in thalli of Usnea antarctica lichen from James Ross Island, Antarctica. The SS-GF-AAS analytical method is particularly suited for use in environmental studies and plant physiology (the microanalysis of anatomical structures).
ISSN:0167-6369
1573-2959
DOI:10.1007/s10661-020-8186-5