Oberflächenbestimmungen und Diffusionsmessungen mittels radioaktiver Edelgase

Zimens, Karl-Erik

doi:10.1515/zpch-1942-19202

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(A) Direct Methods1

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1943

1980

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Cited by 9 publications

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“…If the uranium is finely clispei-sed or the or( subject to natural leaching these equilibrium conditions ilia>-be upset, parti, larl) through loss of the ernanation (27). The emanating properties of varic substances have been studied by Flugge and Zimens (12,45). In general, rad will escape fairly readily and hence uranium ores are frec~~ienily found to out of equilibri~uin with a cleficiency in the radium family, i.e.…”

Section: (A) Direct Methodsmentioning

confidence: 99%

The Determination of Uranium and Thorium in Ores

Eichholz¹,

Hilborn²,

McMahon³

1953

Can. J. Phys.

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The application of various physical methods to the assay of uranium and thorium in ores is discussed. It is shown how it is possible to determine their uranium and thorium content by means of simultaneous measurement of their beta and gamma activities. Simple working equations are derived which permit this determination to be carried out irrespective of the equilibrium condition of the uranium in the sample. Suitable experimental equipment is described briefly and some typical experimental results are presented.

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Section: (A) Direct Methodsmentioning

confidence: 99%