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"Activity standard error of thorium-234 {234Th CAS 15065-10-8} per unit volume of the water body [particulate >51um phase] by filtration and beta spectroscopy"@en .
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"accepted"@en .
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"The standard error of the mean (defined as the standard deviation divided by the square root of the sample size) of multiple determinations of the specified phenomenon."@en .
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"SDN:P01::SE234TH5" .
"PartTh234_>51um_SE" .
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