Barium-140 Radioactivity in Foods

Barium-140 Radioactivity in Foods

Ba/sup 140/ was observed in deer and cattle in the summer of 1956, presumably the result of nuclear tests. However, no commercial beef was found to be contaminated. In the months of June, July, and August of 1957 the isotope appeared in milk samples in the United States. The dates and concentrations...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 1958-02, Vol.127 (3293), p.283-284
Hauptverfasser: Anderson, E. C., Schuch, R. L., Fisher, W. R., Van Dilla, M. A.
Format: Artikel
Sprache:eng
Schlagworte:
ANIMALS
Barium
BARIUM 140
Barium Radioisotopes
Biochemistry
BIOLOGY AND MEDICINE
Brain
CATTLE
Cerebral cortex
CONTAMINATION
DEER
FALLOUT
FOOD
GAMMA DETECTION
Half lives
Humans
MEAT
MILK
NUCLEAR EXPLOSIONS
Nucleic acids
Old Medline
POTASSIUM 40
Radioactive decay
RADIOACTIVITY
RNA
SAMPLING
USA
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Beschreibung
Zusammenfassung:Ba/sup 140/ was observed in deer and cattle in the summer of 1956, presumably the result of nuclear tests. However, no commercial beef was found to be contaminated. In the months of June, July, and August of 1957 the isotope appeared in milk samples in the United States. The dates and concentrations of Ba/sup 140/ in powdered milk is summarized for those locations at which the Ba/ sup 140/ gamma activity exceeded that of natural K/sup 40/. (J.S.R.)
ISSN:0036-8075
1095-9203
DOI:10.1126/science.127.3293.283