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Table 3 Activity of 47Sc at the time of separation (A(47Sc)), comparison of the calculated and measured 47Sc saturation yield (A(47Sc)calc and A(47Sc)meas) and of the optimal and measured relative 47Sc activity (a(47Sc)opt and a(47Sc)meas) after irradiation with thermal neutrons at ILL (irradiations ILL 1–5) and BR2 (irradiation SCK.CEN)

From: 47Sc as useful β-emitter for the radiotheragnostic paradigm: a comparative study of feasible production routes

Irradiation tirr [d] twait [d] topt [d] m(46Ca) [mg] A(47Sc) at separation [MBq] A(47Sc)calc A(47Sc)meas a(47Sc)opt a(47Sc)meas f(47Sc)
[MBq/mg 46Ca 10−13 n cm−2 s−1]
ILL 1 7.0 6.7 2.8 0.17 690 92 86 0.43 0.34 0.65
ILL 2 7.2 6.7 2.7 0.35 1390 92 85 0.44 0.34 0.66
ILL 3 8.4 12.5 2.4 0.14 470 92 98 0.50 0.25 0.69
ILL 4 11.0 6.9 1.8 0.35 2140 92 95 0.62 0.49 0.76
ILL 5 7.0 6.8 2.8 0.35 1440 92 93 0.43 0.37 0.65
SCK.CEN 7.0 3.0 2.8 0.17 200 92 90 0.43 0.42 0.65