In this study, electrothermal atomic absorption spectrometry (ETAAS) was used for determination of lead and cadmium in Macedonian white wines. Wine samples, without prior purification, were directly injected into the ETAAS system, using matrix modifiers for Pb and Cd. The standard addition method was used for quantitative analysis of Pb and Cd content. Reliability of the method was verified by determination of selected validation characteristics. The results of the measurements indicated satisfactory precision and accuracy, confirming that the method is accurate and convenient for quantitative analysis. The lead and cadmium concentrations were ranged between 2–28.5 and 0.4–5.69 μg/L, respectively. The levels were below the maximal allowed concentration in wine and compare well with those reported for similar wines from other parts of the world.
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This work was financially supported by the National Scholarship Programme of the Slovak Republic for the Support of Mobility of Students, Ph.D. Students, University Teachers, Researchers and Artists, covering the study stay of Violeta Ivanova-Petropulos at Constantine the Philosopher University in Nitra, Faculty of Natural Sciences, Department of Chemistry, which is acknowledged.
Conflict of Interest
Violeta Ivanova-Petropulos declares that she has no conflict of interest. Silvia Jakabová declares that she has no conflict of interest. Dusko Nedelkovski declares that he has no conflict of interest. Vladimír Pavlík declares that he has no conflict of interest. Želmira Balážová declares that she has no conflict of interest. Ondrej Hegedűs declares that he has no conflict of interest.
Compliance with Ethics Requirements
This is an original research article that has neither been published previously nor considered presently for publication elsewhere. All authors named in the manuscript are entitled to the authorship and have approved the final version of the submitted manuscript.
This article does not contain any studies with human or animal subjects.
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Ivanova-Petropulos, V., Jakabová, S., Nedelkovski, D. et al. Determination of Pb and Cd in Macedonian Wines by Electrothermal Atomic Absorption Spectrometry (ETAAS). Food Anal. Methods 8, 1947–1952 (2015). https://doi.org/10.1007/s12161-014-0062-x
- Electrothermal atomic absorption spectrometry