Effect of air luminescence counts on determination of 222Rn by liquid scintillation counting

Yuko Morita-Murase, Yoshio Homma, Makoto Takiue

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

The pulse-height distributions from known amounts of 222Rn and its daughters were measured as a function of the volume of the scintillator solution and compared with the air luminescence spectrum from α-particles in air. The results indicate that 222Rn and its daughters in the gaseous space above the liquid scintillator produce the air luminescence counts which lead to errors in quantitative determination of 222Rn by liquid scintillation counting unless necessary corrections for the counts are made. The error inherent in the conventional determination of 222Rn by liquid scintillation counting is evaluated. Methods for correcting the air luminescence counts are discussed.

Original languageEnglish
Pages (from-to)295-298
Number of pages4
JournalInternational Journal of Radiation Applications and Instrumentation. Part
Volume40
Issue number4
DOIs
Publication statusPublished - 1989

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scintillation
counting
luminescence
air
liquids
scintillation counters
pulse amplitude

ASJC Scopus subject areas

  • Radiation

Cite this

Effect of air luminescence counts on determination of 222Rn by liquid scintillation counting. / Morita-Murase, Yuko; Homma, Yoshio; Takiue, Makoto.

In: International Journal of Radiation Applications and Instrumentation. Part, Vol. 40, No. 4, 1989, p. 295-298.

Research output: Contribution to journalArticle

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AB - The pulse-height distributions from known amounts of 222Rn and its daughters were measured as a function of the volume of the scintillator solution and compared with the air luminescence spectrum from α-particles in air. The results indicate that 222Rn and its daughters in the gaseous space above the liquid scintillator produce the air luminescence counts which lead to errors in quantitative determination of 222Rn by liquid scintillation counting unless necessary corrections for the counts are made. The error inherent in the conventional determination of 222Rn by liquid scintillation counting is evaluated. Methods for correcting the air luminescence counts are discussed.

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