Summary
Thus, the possibility was shown of making, on the basis of toluene labeled with carbon-14, a reference radiator for liquid scintillation counting.
The radioactive toluene sample was calibrated by means of two different methods whose results did not differ by more than 1%.
It has been found that the calibrated toluene can be used as a radioactive reference substance for one year. Its activity then varies by less than 3%.
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Literature cited
V. V. Bochkarev and V. A. Bazhenov, Byull. izobret., No. 11 (1962).
V. A. Bazhenov and V. V. Bochkarev, Izmerit. tekhn., No. 1 (1962).
V. A. Bashenov, V. V. Bochkarev, and T. N. Sokolova, Izmerit. tekhn., No. 2 (1963).
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Bazhenov, V.A., Bochkarev, V.V., Golubev, Y.M. et al. Reference radiator for relative measurements of preparations labeled with C14 . Meas Tech 9, 1328–1329 (1966). https://doi.org/10.1007/BF00988750
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DOI: https://doi.org/10.1007/BF00988750