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AbstractAbstract
[en] Two types of proportional counters for low level counting of 3H and 14C are described allowing for a very high counting sensitivity. The 14C counter is of the Oeschger type and the maximum measurable age is 52000 years (48 hours of counting, 4sigma criterion). The 3H counter is a new type of wall-less counter with a minimum measurable activity of 36TU (24 hours of counting, 3% accuracy)
Record Type
Journal Article
Journal
Acta Facultatis Rerum Naturalium Universitatis Comenianae, Physica; (no.16); p. 125-140
Country of publication
AGE ESTIMATION, ALKANES, BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, CARBON ISOTOPES, CHARGED PARTICLE DETECTION, EVEN-EVEN NUCLEI, HYDROCARBONS, HYDROGEN ISOTOPES, IONIZATION CHAMBERS, ISOTOPES, LIGHT NUCLEI, MEASURING INSTRUMENTS, NUCLEI, ODD-EVEN NUCLEI, ORGANIC COMPOUNDS, RADIATION DETECTION, RADIATION DETECTORS, RADIOISOTOPES, YEARS LIVING RADIOISOTOPES
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