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Dosage du cobalt dans les aciers 188 base sur la formation du 60mco par activation aux neutrons thermiques

✍ Scribed by D Monnier; W Haerdi; A Rouèche


Book ID
104102586
Publisher
Elsevier Science
Year
1964
Tongue
English
Weight
488 KB
Volume
31
Category
Article
ISSN
0003-2670

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✦ Synopsis


Le dosage de traces ck cobalt lxw.5 sur in Eormation de Wh n'est sensible yuc si I'0n soumet 1'Cchantillon 3L un flux dlev4 pendant un tcmps cl'irradiation suffisammcnt low, car la p&iode de cct isotope clt5passe 5 ans. L'emplai de OemCo, de x0.5 min de pckiode, ciont la section efficace cst clc x6 barns et l'&ler&wy de 0.05g MeV, se p&e particuli&rement bien au dosage lorsclu'on dispose d'un flux de neutrons maximum de xov n.cm-2 set-1. L'emploi du cobalt-Gem a cl&j& t5t& pr&onis& par divers autcurs dont WESTERMARCK ET FINDMAN~,


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Macro- et microdosage de traces de cobal
✍ W. Haerdi; J. Vogel; D. Monnier 📂 Article 📅 1960 🏛 John Wiley and Sons 🌐 German ⚖ 695 KB

## Abstract The assay of traces of cobalt 60 by the method of recording spectra, using a one canal gamma spectrometer, has been completely investigated. The interferences due to iron 59 and cobalt 58 have been studied in detail. A method is described for the direct assay (without dissolution or sep