TABLE 6
Efficiency of Dose Calibrators for β-Emitters (R
n
)
β-Emitter
VEENSTRA VDC-405
Atomlab 100
Isomed 1000/2000
Capintec CRC
Centronic
Capintec β
89
Sr
*
0.96
0.72
1.15
0.89
0.93
90
Y
1.44
1.31
0.64
1.07
*
0.98
169
Er
0.32
*
0.63
*
*
*
↵
*
No specific factor available.