Table 3.
Experimentally determined dial settings for 131I and 133Ba in the NIST 5 mL ampoule geometry using three NIST-maintained Capintec activity calibrators. The uncertainties are standard uncertainties and are due primarily to the uncertainty in the activity calibration for the respective radionuclide.
Activity Calibrator | DS131I | DS133Ba |
---|---|---|
CRC-12 | 156(1) | 628(2) |
CRC-15R | 156(2) | 626(2) |
CRC-35R | 158(2) | 618(2) |