Radioactivity in bottled waters sold in Mexico

Measurements of gross alpha and beta activities were made on 21 domestic and international brands of bottled (purified and mineral) water sold in the Mexican market to assess its radiological quality. Alpha and beta activities were determined using a liquid-scintillation detector with pulse-shape an...

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Bibliographic Details
Published in:Applied radiation and isotopes 2002-06, Vol.56 (6), p.931-936
Main Authors: Dávila Rangel, J.I., López del Rı́o, H., Garcı́a, F.Mireles, Torres, L.L.Quirino, Villalba, M.L., Sujo, L.Colmenero, Cabrera, M.E.Montero
Format: Article
Language:English
Subjects:
Alpha Particles
Beta Particles
Beverages - analysis
bottled water
Bottled waters
Liquid scintillation
Mexico
Mineral Waters - analysis
Radioactivity
Radioisotopes - analysis
Scintillation Counting - methods
Water Supply - analysis
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Summary:Measurements of gross alpha and beta activities were made on 21 domestic and international brands of bottled (purified and mineral) water sold in the Mexican market to assess its radiological quality. Alpha and beta activities were determined using a liquid-scintillation detector with pulse-shape analysis feature. All the purified water had values of beta activity lower than the limit for potable drinking water (1.0 Bq/l), while three brands surpassed the limit of alpha activity (0.1 Bq/l). The limit for alpha radioactivity content was exceed by three mineral waters; the results show a correlation between radioactivity content and mineral salts, which are related with the origin and treatment of the waters.
ISSN:0969-8043
1872-9800
DOI:10.1016/S0969-8043(02)00047-7