"Concentration standard deviation of zinc {Zn CAS 7440-66-6} per unit volume of the water body [particulate >0.4/0.45um phase] by filtration, acid digestion and inductively-coupled plasma mass spectrometry"@en .
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"SDN:P01::CZI11041" .
"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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