A scintillation method for determination of actinide alpha-activity in samples
| Autor: | I. A. Orlova, V. I. Chernikov, T. I. Kudravtseva, R. E. Filipy, K. G. Suslova, V. F. Khokhryakov |
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| Rok vydání: | 1998 |
| Předmět: |
Photomultiplier
Scintillation Radiometer Materials science Health Toxicology and Mutagenesis Thin layer Counting efficiency Public Health Environmental and Occupational Health Analytical chemistry Actinide Pollution Analytical Chemistry chemistry.chemical_compound Nuclear Energy and Engineering chemistry Radiology Nuclear Medicine and imaging Polystyrene Layer (electronics) Spectroscopy |
| Zdroj: | Journal of Radioanalytical and Nuclear Chemistry. 234:293-295 |
| ISSN: | 1588-2780 0236-5731 |
| DOI: | 10.1007/bf02389788 |
| Popis: | This report describes an efficient, easy to use, and inexpensive method for detection of alpha-activity in biological samples, the alpha radiometer. The actinide elements are coprecipitated from acid-dissolved, ashed samples with bismuth phosphate and the precipitate is then mixed with ZnS(Ag) scintillation powder. The mixture is dried, in a thin layer, on the surface of a polystyrene cuvet and scintillations from the layer are detected with a photomultiplier tube. An optimal counting efficiency is obtained with a scintillation powder thickness between 25 and 40 mg·cm−2. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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