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Sensitive Method for Trace Determination of Mercury in Wines Using Electrothermal Atomic Absorption Spectrometry

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Abstract.

An accurate, simple and precise method for total mercury determination in wines is described. Liquid/liquid extraction of inorganic and organic mercury species directly from untreated wine samples is recommended as a preconcentration procedure prior to determination by electrothermal atomic absorption spectrometry (ETAAS). Ammonium pyrrolidinedithiocarbamate was used as complexation agent. The optimal instrumental parameters for ETAAS measurement of mercury species extracted are proposed. The detection limit for total mercury determination is 0.2 µg L−1. The relative standard deviation is 15–22% for mercury in wine in the range of 0.2–5 µg L−1. The proposed procedure has been successfully applied to the determination of mercury in bottled wines in Bulgaria and Macedonia.

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Authors and Affiliations

  1. Faculty of Chemistry, University of Sofia, J. Bourchier 1, 1164, Sofia, Bulgaria

    Irina Karadjova & Sonja Arpadjan

  2. Institute of Agriculture, bull. A. Makedonski bb, 1000, Skopje, Republic of Macedonia

    Julijana Cvetković

  3. Institute of Chemistry, Faculty of Science, St. Cyril and Methodius University, P.O. Box 162, 1000, Skopje, Republic of Macedonia

    Trajcče Stafilov

Authors
  1. Irina Karadjova
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  2. Sonja Arpadjan
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  3. Julijana Cvetković
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  4. Trajcče Stafilov
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Correspondence to Irina Karadjova.

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Karadjova, I., Arpadjan, S., Cvetković, J. et al. Sensitive Method for Trace Determination of Mercury in Wines Using Electrothermal Atomic Absorption Spectrometry. Microchim. Acta 147, 39–43 (2004). https://doi.org/10.1007/s00604-004-0216-4

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  • DOI: https://doi.org/10.1007/s00604-004-0216-4

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