Preparation of radionuclides and their measurement by high resolution gamma-spectrometry, beta-spectrometry and high resolution alpha-spectrometry

The use of High Specific Activity Radionuclides HSARNs,
obtained by either proton, deuteron or alpha cyclotron irradiation, followed
by selective radiochemical separation from the irradiated target in No
Carrier Added (NCA) form, is a powerful analytical tool. The main
applications of these radionuclides are to medical dignosis and therapy in
addition to toxicological, environmental and industrial studies. These NCA
radionuclides and their Specific Activity (AS) can reach values close to the
theoretical “carrier-free” one AS(CF). The “real” AS(NCA) must by measured
by either analytical or/and radioanalytical techniques. The “accurate”
knowledge of behavior of cross-sections of each reaction, as a function of
beam energy (excitation functions) is mandatory. The minimization of
Isotopic Dilution Factor is achieved also. Some examples of production
and radioanalytical quality control methods for HSARNs are presented.