Internal dose rate to K-feldspar grains from radioactive elements other than potassium

Internal dose rate to K-feldspar grains from radioactive elements other than potassium The concentrations of radioactive elements in K-feldspar grains were studied using electron micro-probe for potassium (K) content and inductively coupled plasma mass spectrometer (ICP-MS) for uranium (U), thorium (Th) and rubidium (Rb) contents. The K content of individual grains is 13–14%. The U, Th and Rb contents are sufficiently high to make significant contributions to the internal dose rate compared to the contribution from the K content. The U and Th contents are reduced, but not eliminated completely, by hydrofluoric (HF) acid etching. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Radiation Measurements Elsevier

Internal dose rate to K-feldspar grains from radioactive elements other than potassium

Radiation Measurements, Volume 40 (1) – Sep 1, 2005

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Publisher
Elsevier
Copyright
Copyright © 2005 Elsevier Ltd
ISSN
1350-4487
D.O.I.
10.1016/j.radmeas.2004.11.004
Publisher site
See Article on Publisher Site

Abstract

The concentrations of radioactive elements in K-feldspar grains were studied using electron micro-probe for potassium (K) content and inductively coupled plasma mass spectrometer (ICP-MS) for uranium (U), thorium (Th) and rubidium (Rb) contents. The K content of individual grains is 13–14%. The U, Th and Rb contents are sufficiently high to make significant contributions to the internal dose rate compared to the contribution from the K content. The U and Th contents are reduced, but not eliminated completely, by hydrofluoric (HF) acid etching.

Journal

Radiation MeasurementsElsevier

Published: Sep 1, 2005

References

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