Uranium and radium isotopes in some selected thermal, surface and bottled waters in Vietnam
| Autor: | Chau Dinh Nguyen, Tibor Kovács, Jakub Nowak, Quy Anh Hoang, Hao Van Duong |
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| Rok vydání: | 2018 |
| Předmět: |
010504 meteorology & atmospheric sciences
Isotope Health Toxicology and Mutagenesis Public Health Environmental and Occupational Health Thermal water chemistry.chemical_element 010501 environmental sciences Uranium Bottled water 01 natural sciences Pollution Analytical Chemistry Radium Chemical separation Nuclear Energy and Engineering chemistry Environmental chemistry Formation water Environmental science Radiology Nuclear Medicine and imaging Spectroscopy 0105 earth and related environmental sciences |
| Zdroj: | Journal of Radioanalytical and Nuclear Chemistry. 319:1345-1349 |
| ISSN: | 1588-2780 0236-5731 |
| Popis: | Uranium and radium isotopes were measured in 17 water samples (6 thermal, 3 stream and 8 commercial bottled waters) using LSC and alpha spectrometer after chemical separation. The thermal and stream water samples were collected from Kim Boi spa Hoa Binh, North Vietnam. The measured radioactivity ranged ≤ 0.5 ÷ 9.0 mBq/L for 238U, 1.60 ÷ 18.6 mBq/L for 234U, ≤ 5 ÷ 29.2 mBq/L for 226Ra. For the bottled water 234U was ≤ 3 mBq/L and 238U undetected, the 226Ra ranged 5 ÷ 202 mBq/L and 228Ra ≤ 20 ÷ 115 mBq/L. For studied thermal water the increasing tendency of Ra concentration with depth water formation is observed. |
| Databáze: | OpenAIRE |
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