+++1 article from Elsevier

[dtolstoy]

A reliable method for scintillation counting of 14CO2 trapped in solutions of sodium hydroxide, using a scintillant suitable for general use
N.S. Huskissona and P.F.V. Warda
The International Journal of Applied Radiation and Isotopes
Volume 29, Issue 12, December 1978, Pages 729-734

DOI:

http://dx.doi.org/10.1016/0020-708X(78)90120-5

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