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Preparation of57Fe enriched K4[Fe(CN)6] and K3[Fe(CN)6]

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Abstract

A simple method to prepare57Fe enriched K4[Fe(CN)6] and K3[Fe(CN)6] is described. The yields of the products are much better than those reported in the literature so far. The enrichment is essential for57Fe Mössbauer investigation in a variety of Prussiate type complexes and other inorganic compounds which are conveniently prepared from K4[Fe(CN)6] and K3[Fe(CN)6]. K4[Fe(CN)6] was obtained by reacting freshly prepared Fe(OH)3 with glacial acetic acid and treating with iron acetate in boiling aqueous solution of KCN. The novel feature of the procedure to obtain K3[Fe(CN)6] is that the oxidation of K4[Fe(CN)6] has been carried out in the solid state by passing chlorine gas over the powdered specimen. K3[Fe(CN)6] was crystallised from alkaline solution of this oxidised powder. The compounds were characterised by Mössbauer spectroscopy.

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Authors and Affiliations

  1. Saha Institute of Nuclear Physics, I/AF, Bidhannagar, 700 064, Calcutta, India

    S. Ganguli, S. Das & M. Bhattacharya

Authors
  1. S. Ganguli
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  2. S. Das
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  3. M. Bhattacharya
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Ganguli, S., Das, S. & Bhattacharya, M. Preparation of57Fe enriched K4[Fe(CN)6] and K3[Fe(CN)6]. J Radioanal Nucl Chem 232, 229–231 (1998). https://doi.org/10.1007/BF02383744

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  • DOI: https://doi.org/10.1007/BF02383744

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