. "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 nitrate {NO3- CAS 14797-55-8} per unit volume of the water body [dissolved plus reactive particulate . . "SD_NO3_GF/FFilt_GCMS" . "SDN:P01::NTRTSSD1" . "SDN:P01::NTRTSSD1" . . . . . . "3" . . . "3" . . . . "accepted"@en . "2018-10-15 17:05:31.0" . "false" . . . "2018-10-15 17:05:31.0" . . "SDN:P01::NTRTSSD1" . .