radium

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Related to Ra-226: Element 88
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Synonyms for radium

an intensely radioactive metallic element that occurs in minute amounts in uranium ores

References in periodicals archive ?
Analysis of Beta-Decay Rates for Ag-108, Ba-133, Eu-152, Eu-154, Kr-85, Ra-226, and Sr-90, Measured at the Physikalisch-Technische Bundesanstalt from 1990 to 1996.
These samples were transferred from the bags into clean air-tight containers and sealed for 28 days in order for the samples to attain secular equilibrium and also to prevent escape of Ra-226 gas.
Metodo simple para la determinacion de Pb-210 y Ra-226 en aguas.
1985; Segovia, 1990) y en algunos casos se ha mostrado la existencia de un posible enriquecimiento del magma con uno de estos antes de aflorar a la superficie, como es el caso del Ra-226 (Wordel et al.
Most of the attention of the public-health community has focused on Ra-226 and Ra-228 because they are currently the only isotopes of radium regulated under the Safe Drinking Water Act and because they appear to be more abundant in nature and have longer half-lives than Ra-223 and Ra-224 (Molinari & Snodgrass, 1990).