| CHENG Jinsheng,AN Jinggang,LIU Liming.IAEA-SSDL TLD intercomparison of 60Co radiotherapy dose level standard in our SSDL in 2002[J].Chinese Journal of Radiological Medicine and Protection,2003,23(1):50-51 |
| IAEA-SSDL TLD intercomparison of 60Co radiotherapy dose level standard in our SSDL in 2002 |
| Received:September 02, 2002 |
| DOI： |
| KeyWords:IAEA 60Co radiotherapy dose level standard TLD Intercomparison |
| FundProject: |
| Author Name | Affiliation | | CHENG Jinsheng | National Institute for Radiological Protection and Nuclear Safety, China CDC, Beijing 100088, China | | AN Jinggang | National Institute for Radiological Protection and Nuclear Safety, China CDC, Beijing 100088, China | | LIU Liming | National Institute for Radiological Protection and Nuclear Safety, China CDC, Beijing 100088, China | | 郭朝晖 | National Institute for Radiological Protection and Nuclear Safety, China CDC, Beijing 100088, China |
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| Abstract:: |
| Objective By participating in IAEA-SSDL TLD postal intercomparison to check the measuring consistency of our 60Co radiotherapy dose level standard and ensure the accuracy of our calibration. Methods IAEA send TLDs to our SSDL and we irradiated each TLD with 2 Gy, which were then returned to IAEA.The irradiated TLDs were measured by IAEA dosimetry laboratory and gave the diviation between our stated dose and IAEA reference dose. Results The results of intercomparison indicated the diviation was -2 4%. Conclusions The deviation between our stated dose and the reference dose is well within the IAEA acceptable level of ± 3 5%.Therefore the result of this intercomparison is considered satisfactory. |
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