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Determination of iron and lead by flame atomic absorption spectrometry after preconcentration with sepiolite

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Abstract

By using a new adsorbent (sepiolite) an adsorptionelution and atomic absorption spectrometric method has been developed for the preconcentration and determination of Fe and Pb. Recoveries of the analytes were 82 ± 3% for Fe and 91 ± 2% for Pb at 95% confidence level. For Cu it was only 5 ± 1%. The recovery of iron could be increased to about 97 ± 1% by complexing with EDTA, the recovery of copper only to 57 ± 2%. The optimised method was applied to the determination of lead in metal materials (e.g. brass).

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Authors and Affiliations

  1. Fen-Edebiyat Fakültesi, Gazi Üniversitesi, TR-06500, Ankara, Turkey

    A. Rehber Türker & Baki Erdoğan

  2. Fen-Edebiyat Fakültesi, Kırıkkale Üniversitesi, TR-71200, Kırıkkale, Turkey

    Hüseyin Bağ

Authors
  1. A. Rehber Türker
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  2. Hüseyin Bağ
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  3. Baki Erdoğan
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Türker, A.R., Bağ, H. & Erdoğan, B. Determination of iron and lead by flame atomic absorption spectrometry after preconcentration with sepiolite. Z. Anal. Chem. 357, 351–353 (1997). https://doi.org/10.1007/s002160050166

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  • DOI: https://doi.org/10.1007/s002160050166

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