. "Concentration standard deviation of lead {Pb CAS 7439-92-1} per unit volume of rainwater [dissolved plus reactive particulate phase] by acidification and inductively-coupled plasma mass spectrometry"@en . "SDN:P01::RNSDPB01" . "accepted"@en . "SDN:P01::RNSDPB01" . "4" . "SDN:P01::RNSDPB01" . "The square root of the average of the squares of deviations about the mean of a set of values of the specified measurement."@en . "SD_Pb_rainwater" . . . "false" . . "2018-10-15 17:05:31.0" . . . "2018-10-15 17:05:31.0" . "4" .