. . "SDN:P01::ASDNAA02" . . . . "3" . "accepted"@en . "SDN:P01::ASDNAA02" . . . "2018-10-15 17:05:30.0" . . . "false" . "SDN:P01::ASDNAA02" . . . "3" . . "The square root of the average of the squares of deviations about the mean of a set of values of the specified measurement."@en . "Concentration standard deviation of sodium {Na CAS 7440-23-5} per unit volume of the atmosphere [aerosol >1um phase] by filtration and ion chromatography"@en . . "SD_Na_aerosol_>1um" . . "2018-10-15 17:05:30.0" .