Title of article
Activity standardization by liquid scintillation counting and half-life measurements of 90Y
Author/Authors
K. Kossert، نويسنده , , H. Schrader، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
9
From page
741
To page
749
Abstract
Radioactive 90Y was standardized by means of 4πβ liquid scintillation efficiency tracing with a two-phototube counting system. The efficiencies of 90Y and the tracer 3H are related by the CIEMAT/NIST method. The dependence of the calculated efficiency on various shape factors and the importance of accurately measuring the radionuclide impurity of 90Sr are discussed. The half-life of 90Y was measured with improved accuracy by means of a liquid scintillation counting and a 4π ionization chamber measuring system, and an average value T1/2=64.053(20) h was found.
Keywords
Radionuclide impurity , Half-life measurement , 90Y , CIEMAT/NIST method , ionization chamber , Liquid scintillation counting
Journal title
Applied Radiation and Isotopes
Serial Year
2004
Journal title
Applied Radiation and Isotopes
Record number
541671
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