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Preparation of Ferrous Ferricyanide

Nature volume 231, pages 311–312 (1971)Cite this article

Abstract

WE have synthesized ferrous ferricyanide, Fe3+2 (FeIII (CN)6)2 by vacuum pyrolysis of Prussian blue (ferric ferrocyanide, Fe4+3 (FeII (CN)6)3)—see refs. 1 and 2. This completes the preparation of the curious quartet of iron–iron cyanides. The cation in each case is high spin ferrous (2+) or ferric (3+) iron, and the cyanide-surrounded anion is low spin ferrous (II) or ferric (III) iron. These compounds precipitate from solution when soluble salts are mixed; ferric chloride and potassium ferrocyanide, for example, yield Prussian blue (ferric ferrocyanide).

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References

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Authors and Affiliations

  1. Physics Department, St Mary's University, Halifax, Nova Scotia

    D. S. MURTY

  2. Physics Department, The University of Texas at Austin, Austin, Texas

    J. G. COSGROVE & R. L. COLLINS

Authors
  1. D. S. MURTY
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  2. J. G. COSGROVE
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  3. R. L. COLLINS
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MURTY, D., COSGROVE, J. & COLLINS, R. Preparation of Ferrous Ferricyanide. Nature 231, 311–312 (1971). https://doi.org/10.1038/231311a0

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