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(n,γ) Recoil Effects in Potassium Chromate and Dichromate


Muxart et al.1 have recorded their failure to obtain an appreciable Szilard–Chalmers enrichment of active chromium from potassium dichromate, despite the apparent absence of exchange between Cr(H2O)63+ and Cr2O72 ions in aqueous solution. (It is not apparent from their paper whether they were working with chromium-51 or with chromium-55.) The result was unexpected, the more so when the results of Menker and Garner2 were published.

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  1. Muxart, R., Daudel, P., Daudel, R., and Haissinsky, M., Nature, 159, 538 (1947).

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  2. Menker, H. E., and Garner, C. S., J. Ajmer. Chem. Soc., 71, 371 (1949).

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  3. Libby, W. F., J. Amer. Chem. Soc., 62, 1930 (1940).

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GREEN, J., MADDOCK, A. (n,γ) Recoil Effects in Potassium Chromate and Dichromate. Nature 164, 788–789 (1949).

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