"SEAtPartNa" . . . "SDN:P01::ECNAXX01" . "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 . "2019-06-04 17:33:52.0" . "accepted"@en . . . . "false" . . "4" . . . "SDN:P01::ECNAXX01" . "SDN:P01::ECNAXX01" . . . . . "Concentration standard error of sodium {Na CAS 7440-23-5} per unit volume of the atmosphere [aerosol phase] by filtration and ion chromatography"@en . "4" . . . . "2019-06-04 17:33:52.0" .