We present a practical application of a phenomenological model for physicochemical atomization processes in determining heavy metal content by electrothermal atomic absorption spectrometry. Comparison of the analysis results with the NAHRES-33 (IAEA/AL/079) certificate of composition confirms the feasibility of using the proposed procedure in analysis of lichen materials. As the criterion for the reliability of the analysis results, we take the closeness of the values for the sample atomization parameters to the atomization parameters of the calibration solutions obtained, using a model for the analytical signal. We demonstrate application of the proposed procedure using as an example monitoring of heavy-metal air pollution by the lichen indication method.
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Translated from Zhurnal Prikladnoi Spektroskopii, Vol. 78, No. 1, pp. 128–133, January–February, 2011.
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Ilyashenko, V.Y., Rogulsky, Y.V. & Kulik, A.N. Model for verification of measurement results in electrothermal atomic absorption spectrometry. J Appl Spectrosc 78, 117–122 (2011). https://doi.org/10.1007/s10812-011-9433-x
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DOI: https://doi.org/10.1007/s10812-011-9433-x