. . . . "SDN:P01::CSO88214" . "The square root of the average of the squares of deviations about the mean of a set of values of the specified measurement."@en . "accepted"@en . . "soluble_Fe_aerosol_>1um_SD" . . . . . "Concentration standard deviation of soluble iron {soluble_Fe CAS 7439-89-6} per unit volume of the atmosphere [aerosol >1um phase]"@en . . . . . . . . . . . . . . . . .