Determination of Hg,Cd, Mn,Pb and Sn in seafood by solid sampling Zeeman atomic absorption spectrometry |
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| Affiliation: | 1. School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia;2. Jabil Circuit Sdn. Bhd., Bayan Lepas Industrial Park, 11900 Bayan Lepas, Penang, Malaysia;1. Institute of Physics of Jan Dlugosz University in Czestochowa, 13/15, al. Armii Krajowej, Czestochowa, 42200, Poland;2. Vlokh Institute of Physical Optics, 23, Dragomanov str., Lviv, 79005, Ukraine;3. Scientific Research Company “Carat”, 202, Stryjska str., Lviv, 79031, Ukraine;4. Opole University of Technology, 75, Ozimska str., Opole, 45370, Poland;5. Ivan Franko National University of Lviv, 1, Universytetska str., Lviv, 79000, Ukraine;6. Centre for Innovation and Transfer of Natural Sciences and Engineering Knowledge, University of Rzeszow, 1, Pigonia str., Rzeszow, 35-959, Poland;7. Institute of Geotechnics of Slovak Academy of Sciences, 45, Watsonova str., Košice, 04001, Slovakia;1. National R&D Institute for Isotopic and Molecular Technologies, Donat Str. 67–103, Cluj-Napoca, Romania;2. Laboratoire CRISMAT, UMR6508 CNRS/ENSICAEN, 6bd Marechal Juin, 14050 Caen Cedex 4, France;1. Institute of Chemistry, University of Tartu, Ravila 14a, Tartu 50411, Estonia;2. Institute of Physics, University of Tartu, Ravila 14c, Tartu 50411, Estonia;1. School of Life Science, Changchun Normal University, Changchun 130032, China;2. College of Chemistry and Chemical Engineering, Zhoukou Normal University, Zhoukou 466000, China;3. Key Laboratory of Grain and Oil Processing of Jilin Province, Jilin Business and Technology College, Changchun 130507, China |
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| Abstract: | Direct solid sampling Zeeman atomic absorption spectrometric methods were developed and applied to the determination of mercury, cadmium, manganese, lead and tin in seafood. All elements but mercury were measured by a third generation Zeeman atomic absorption spectrometry combined with an automatic solid sampler. In 3-field- and dynamic mode the calibrations concentration range was substantially extended and high amounts of analyte were detectable without laborious dilution of solid samples. The measurements were based on calibrations using certified reference materials of organic matrices. In case solid certified reference materials were not available calibration by aqueous standard solutions was proved to be an alternative. No matrix effects were observed under the optimized conditions. Results obtained were in good agreement with the certified values. Solid sampling Zeeman atomic absorption spectrometry proved to be a reliable, rapid and low-cost method for the control of trace elements in seafood. |
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