Letter | Published:

Variation in the Ratio of Strontium-89 to Strontium-90 in Precipitation Samples with Sampling Height

Nature volume 204, page 771 (21 November 1964) | Download Citation

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Abstract

IT was shown that during March–December 1959 (ref. 1) the specific activities of fission products from fall-out in precipitation increased with sampling height. Some evidence was also found for an increase in the ratio 89Sr/90Sr with sampling height, but this increase was not significant (P 90 per cent).

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References

  1. 1.

    , Nature, 188, 482 (1960).

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Affiliations

  1. Health Physics Department, Danish Atomic Energy Commission, Research Establishment, Risö, Roskilde.

    • A. AARKROG

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DOI

https://doi.org/10.1038/204771a0

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