"SD_SO4_aerosol_>1um" . . "Concentration standard deviation of sulfate {SO4(2-) sulphate CAS 14808-79-8} per unit volume of the atmosphere [aerosol >1um phase] by filtration and ion chromatography"@en . . . "false" . . . "4" . . "SDN:P01::ASDSUA02" . . . . . "2023-03-31 17:28:15.0" . . "SDN:P01::ASDSUA02" . . "SDN:P01::ASDSUA02" . . . "4" . . . "2023-03-31 17:28:15.0" . "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 .