Letter | Published:

Ultrasonic Effect on Neutron-irradiated Inorganic Solid Compounds

Naturevolume 199pages593594 (1963) | Download Citation



INTENSE ultrasonic waves are known to cause chemical effects in liquids and solutions similar to those caused by ionizing radiation. It is also well known that neutron-irradiated solid compounds can be annealed by heating (thermal annealing) as well as by treatment with ionizing radiation (radiation annealing) and, in some cases, by ultra-violet light (photochemical annealing). Therefore, it was of interest to see if it were possible to anneal neutron-irradiated solid compounds under the influence of intense ultrasonic waves. As model substances for this purpose potassium sulphate and ammonium sulphate were chosen because their thermal and photochemical annealing behaviour had recently been examined1–4.

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  1. 1

    Getoff, N., and Nishikawa, M., Nature, 192, 61 (1961).

  2. 2

    Getoff, N., and Nishikawa, M., Anz. Österr. Akad. Wiss., Math.-Natur. Kl., No. 9, 121 (1961).

  3. 3

    Getoff, N., Nishikawa, M., and Meindl, P., Z. Naturforschg., 17a, 533 (1962).

  4. 4

    Getoff, N., Radiochemica Acta, 1, 49 (1963).

  5. 5

    Watt, G. W., and Chrisp, J. D., Anal. Chem., 24, 2006 (1952).

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  1. Institut für Radiumforschung und Kernphysik, Österreichischen Akademie der Wissenschaften, Wien, IX



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