SAPHYMO MiniTRACE CSDF - Calibration Factors and Efficiency; Table 6: 4 Π-Efficiency [Bq] Minitrace CSDF for Different Radionuclides; Table 7: Calibration Factors and Efficiency [Bq;CM 2 ] Minitrace CSDF Based on ISO 7503-1

Instruction Manual for MiniTRACE CSDF
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08/2012 Page 33
4.3.1 Calibration factors and efficiency
Radionuclide Lid closed
[%]
Lid open
[%]
1 cps = x Bq
C-14 0 7.1 14
Cl-36 0 18 5.6
Co-60 0.88 15 6.7
Sr-90 7.7 60 1.7
Cs-137 0.6 23.0 4
Am-241 0.015 13 7.7
U-238 1.3 47 2
Table 6: 4 π-Efficiency [Bq]
MiniTRACE CSDF for different radionuclides
Radionuclide Calibration factor
[Bq/cm
2
/cps]
Efficiency
[cps/ Bq/cm
2
]
C-14 0.607 1,65
P-32 0.086 11,64
Cl-36 0.105 9.57
Co-60 2.469 0.41
Sr-90+ 0.094 10.65
I-131 0.103 9.71
Cs-137 0.090 11.15
Am-241 0.240 4.19
U-238 0.240 4.19
Table 7: Calibration factors and efficiency
MiniTRACE CSDF based on ISO 7503-1
Note: For the 4 π calibration and for calibration based on ISO 7503-1 an individual
“radionuclide” can be set by the user via the MiniTRACE software. Its name is
“USER”.
The user can also change all the calibration factors given above by using the
MiniTRACE software. The default value is 100%; the user can set it from 0 to
255. For further information, see the software manual.
MiniTRACE is not suitable for measurement of the I-125 radionuclide.