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| Neutronaktiveringsanalys× | Bedömning av stråldos× | |
|---|---|---|
| Ämnesområde | Kärnfysik | Kärnfysik |
| Familj | Process / pipeline | Process / pipeline |
| Ursprungsår≠ | 1936 | 1928 |
| Upphovsperson≠ | George de Hevesy, Hilde Levi | International Commission on Radiological Protection (ICRP) |
| Typ≠ | analytical measurement technique | computational health assessment pipeline |
| Ursprungskälla≠ | Chadwick, J. (1932). Possible Existence of a Neutron. Nature, 129(3252), 312. DOI ↗ | International Commission on Radiological Protection (2007). The 2007 Recommendations of the ICRP. Publication 103. Annals of the ICRP, 37(2–4). link ↗ |
| Alias | NAA, activation analysis, trace element analysis | dose calculation, exposure assessment, radiation hazard evaluation |
| Närliggande | 5 | 5 |
| Sammanfattning≠ | Neutron activation analysis (NAA) is an analytical technique for determining elemental composition by bombarding samples with neutrons to produce radioactive isotopes, invented by de Hevesy and Levi in 1936. By measuring decay gamma rays from irradiated samples, NAA quantifies trace and major elements with high sensitivity, specificity, and accuracy without requiring destructive dissolution or complex sample preparation. | Radiation dose assessment is a systematic evaluation of human exposure to ionizing radiation from external or internal sources, formalized by the International Commission on Radiological Protection (ICRP) in the late 20th century. It combines radiation transport calculations with biological effect models to quantify absorbed dose, equivalent dose, and effective dose for worker safety and public health protection. |
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