Distribution of uranium and thorium chains radionuclides in different fractions of phosphogypsum grains.

Environ Sci Pollut Res Int · 2020 · PMC7190684 · PMID 32095961

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a slight trendno p-value reported

For the fractionated phosphogypsum samples, it was found that there is a slight trend for decreasing of 226 Ra enrichment factor with increasing grain size of the materials.

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of marginal significanceno p-value reported

The input of thorium series radionuclides is of marginal significance, exhibiting only negligible fraction of the total activity related to 226 Ra and its progenies.

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