𝔖 Bobbio Scriptorium
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Certification of Class I standard spectrometric gamma sources

✍ Scribed by A. A. Konstantinov; S. N. Anufriev

Book ID
112456324
Publisher
Springer US
Year
1971
Tongue
English
Weight
332 KB
Volume
14
Category
Article
ISSN
0543-1972

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The radionuclide 152Eu was produced by irradiating 151Eu2O3 or 151EuCl3 enriched to 98.9% with thermal neutrons. 152Eu was separated from rare-earth impurities by extraction chromatography on a column using 0.6 M nitric acid eluent. The specific activity of the 152Eu was 1-10 Ci/g of Eu. The impurit