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Iodometric microdetermination of arsenic and antimony in organic compounds by use of amplification reactions

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Summary

A six-fold iodometric amplification method is described for the determination of arsenic and antimony in organic compounds. It is based on the oxidation of arsenite (antimonite) with periodate and subsequent reaction of arsenate (antimonate) and iodate with iodide. Average recoveries were 99.8 and 99.5%, average standard deviations 0.22 and 0.34% for As and Sb, respectively.

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Authors and Affiliations

  1. Chemistry Department, Qatar University, 2713, Doha, Qatar

    A. B. Farag & E. M. El-Nemma

  2. Chemistry Department, United Arab Emirates University, UAE

    M. S. El-Shahawi

Authors
  1. A. B. Farag
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  2. M. S. El-Shahawi
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  3. E. M. El-Nemma
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Farag, A.B., El-Shahawi, M.S. & El-Nemma, E.M. Iodometric microdetermination of arsenic and antimony in organic compounds by use of amplification reactions. Fresenius J Anal Chem 346, 455 (1993). https://doi.org/10.1007/BF00325861

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  • DOI: https://doi.org/10.1007/BF00325861

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