"The square root of the average of the squares of deviations about the mean of a set of values of the specified measurement."@en .
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"Conc_DissZn<0.2_FL_SD" .
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"Concentration standard deviation of zinc {Zn CAS 7440-66-6} per unit volume of the water body [dissolved plus reactive particulate <0.2um phase] by filtration, acidification and flow-injection fluorometry"@en .
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