Simultaneous determination method of radon-222 and radon-220 by a toluene extraction-liquid scintillation counter View Full Text


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Article Info

DATE

1979-09

AUTHORS

Y. Murakami, K. Horiuchi

ABSTRACT

A new determination method for222Rn and220Rn in water sample was developed by extracting radon with toluene and applying the integral counting method with a liquid scintillation counter. The essential characteristics of the methods are, (1) extraction of radon with toluene from water, (2) finding absolute counts and making corrections for the quenching effect by the adoption of the integral counting method, (3) the determination of222Rn and220Rn was performed by counting the activity of220Rn with its descendants and of ThB (212Pb) with its descendants in a radioactive equilibrium, respectively, (4) realizing high sensitivity by simultaneous counting of α, β− particles emitted from the decay products formed in toluene. The lowest detection limit obtained by the present method was 5.0·10−13 Ci/l for222Rn and 6.8·10−8 Ci/l for220Rn in water. More... »

PAGES

275-283

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf02521278

DOI

http://dx.doi.org/10.1007/bf02521278

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1052436156


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