| Metrology area, Sub-field | Ionizing Radiation, Section II (Measurement of Radionuclides) |
| Description | Measurement of source emission rate for the calibration of surface contamination monitors |
| Time of measurements | 2020 - 2022 |
| Status | Measurements in progress |
| References | |
| Measurand | Surface emission rate |
| Transfer device | Four radioactive sources containing a low energy beta emitter C-14, an intermediate energy beta emitter Cl-36, a higher energy beta emitter Sr-90/Y-90 and an alpha emitter Am-241. |
| Comparison type | Supplementary Comparison |
| Consultative Committee | CCRI (Consultative Committee for Ionizing Radiation) |
| Conducted by | APMP (Asia Pacific Metrology Programme) |
| Comments | After 2 years delay, this comparison was restarted in July 2022 |
| Pilot institute |
NIM
National Institute of Metrology China |
| Contact person | Ming Zhang 86 0 137 1650 6785 |
| Pilot laboratory | |
|---|---|
| NIM |
National Institute of Metrology, China, APMP |
| ANSTO |
Australian Nuclear Science and Technology Organisation, Australia, APMP |
| BARC |
Bhabha Atomic Research Centre, India, APMP |
| KRISS |
Korea Research Institute of Standards and Science, Korea, Republic of, APMP |
| NMISA |
National Metrology Institute of South Africa, South Africa, AFRIMETS |
| NPL |
National Physical Laboratory, United Kingdom, EURAMET |
| NRSL/INER |
Institute of Nuclear Energy Research, Chinese Taipei, APMP |
| PTB |
Physikalisch-Technische Bundesanstalt, Germany, EURAMET |
| PTKMR-BATAN |
Center for Technology of Radiation Safety and Metrology, National Nuclear Energy Agency, Indonesia, APMP |
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