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Preconcentration of vanadium(V) on crosslinked chitosan and determination by graphite furnace atomic absorption spectrometry

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Wuhan University Journal of Natural Sciences

Abstract

A new method is proposed for the preconcentration of vanadium(V) with crosslinked chitosan (CCTS) and determination by graphite furnace atomic absorption spectrometry (GFAAS). The adsorption rate of vanadium(V) by CCTS was 97% at pH 4.0, and vanadium(V) was eluted from crosslinked chitosan with 2 mL 2.0 mol·L−1 chlorhydric acid and determined by GFAAS. The detection limit (3σ,n=7) for vanadium (V) was 4.8×10−12g and the relative standard deviation (R.S.D) at concentration level of 2.6 μg·L−1 is less than 3.6%. The method shows a good selectivity and high sensity, and it was applied to determination of vanadium(V) in oyster and water samples. The analytic recoveries are (97±5)%.

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Authors and Affiliations

  1. College of Resource and Environmental Science, Wuhan University, 430072, Wuhan, Hubei, China

    Wu Wei, Qian Sha-hua, Xiao Mei & Huang Gan-quan

  2. Department of Chemistry, Huazhong Agricultural University, 430070, Wuhan, Hubei, China

    Chen Hao

Authors
  1. Wu Wei
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  2. Qian Sha-hua
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  3. Xiao Mei
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  4. Huang Gan-quan
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  5. Chen Hao
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Additional information

Biography: Wu Wei (1975-), female, Master candidate, research direction: environmental & analytical chemistry.

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Wei, W., Sha-hua, Q., Mei, X. et al. Preconcentration of vanadium(V) on crosslinked chitosan and determination by graphite furnace atomic absorption spectrometry. Wuhan Univ. J. Nat. Sci. 7, 222–226 (2002). https://doi.org/10.1007/BF02830323

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  • DOI: https://doi.org/10.1007/BF02830323

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