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Radon, Health and Natural Hazards
Geological Society, London, Special Publications
Radon, Health and Natural Hazards
CONTAINS OPEN ACCESS
Author(s)
F. E. Perrier;
F. E. Perrier
University Paris Diderot, France
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R. G. M. Crockett
R. G. M. Crockett
University of Northampton, UK
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The Geological Society of London
Volume
451
Copyright:
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
ISBN electronic:
9781786203328
ISBN print:
9781786203083
Publication date:
January 01, 2018
Book Chapter
Effective radium-226 concentration in rocks, soils, plants and bones
Author(s)
Frédéric Perrier
Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, CNRS, F-75005 Paris, France
;
Frédéric Perrier
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Frédéric Girault
Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, CNRS, F-75005 Paris, France
;
Frédéric Girault
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Hélène Bouquerel
Institut de Physique du Globe de Paris, Sorbonne Paris Cité, Université Paris Diderot, CNRS, F-75005 Paris, France
Hélène Bouquerel
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-
Published:January 01, 2018
Abstract
Effective radium-226 concentration, ECRa, is the product of radium activity concentration, CRa, multiplied by the emanation coefficient, E, which is probability of producing a radon-222 atom in the pore spaces. It is measured by accumulation experiments in the laboratory, achieved routinely for a sample mass >50 g using scintillation flasks to measure the radon concentration. We report on 3370 ECRa values obtained from more than 11 800 such experiments. Rocks (n=1351) have a mean ECRa value of 1.9±0.1 Bq kg−1 (90% of data in the range 0.11–35 Bq kg...
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Index Terms/Descriptors
- activity
- alkaline earth metals
- biosphere
- bones
- concentration
- environmental geology
- equations
- Europe
- experimental studies
- France
- geochemistry
- geologic hazards
- instruments
- isotopes
- measurement
- metals
- models
- natural hazards
- natural materials
- noble gases
- public health
- Ra-226
- radioactive isotopes
- radioactivity
- radium
- radon
- radon emanometry
- risk assessment
- rocks
- sampling
- scintillations
- soils
- statistical distribution
- transport
- uncertainty
- vegetation
- Western Europe
- Chambon-la-Foret France
Latitude & Longitude
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