A rapid and reliable method for Pb isotopic analysis of peat and lichens by laser ablation-quadrupole-inductively coupled plasma-mass spectrometry for biomonitoring and sample screening

An analytical protocol for rapid and reliable laser ablation-quadrupole (LA-Q)- and multi-collector (MC-) inductively coupled plasma-mass spectrometry (ICP-MS) analysis of Pb isotope ratios ( 207Pb/ 206Pb and 208Pb/ 206Pb) in peats and lichens is developed. This technique is applicable to source tra...

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Bibliographic Details
Published in:Analytica chimica acta 2007-01, Vol.582 (1), p.116-124
Main Authors: Kylander, M.E., Weiss, D.J., Jeffries, T.E., Kober, B., Dolgopolova, A., Garcia-Sanchez, R., Coles, B.J.
Format: Article
Language:English
Subjects:
Analytical chemistry
Applied sciences
Biological sample
Chemistry
Environmental monitoring
Environmental Monitoring - methods
Exact sciences and technology
Global environmental pollution
Laser ablation
Lasers
Lead - analysis
Lichen
Lichens - chemistry
Mass Spectrometry - methods
Multi-collector
Pb isotope
Peat
Pollution
Reproducibility of Results
Soil
Spectrometric and optical methods
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Summary:An analytical protocol for rapid and reliable laser ablation-quadrupole (LA-Q)- and multi-collector (MC-) inductively coupled plasma-mass spectrometry (ICP-MS) analysis of Pb isotope ratios ( 207Pb/ 206Pb and 208Pb/ 206Pb) in peats and lichens is developed. This technique is applicable to source tracing atmospheric Pb deposition in biomonitoring studies and sample screening. Reference materials and environmental samples were dry ashed and pressed into pellets for introduction by laser ablation. No binder was used to reduce contamination. LA-MC-ICP-MS internal and external precisions were
ISSN:0003-2670
1873-4324
DOI:10.1016/j.aca.2006.08.050