Uptake rate standard deviation of nitrite {NO2- CAS 14797-65-0} per hour per unit volume of the water body [particulate >GF/F phase] by isotope-labelled tracer addition, in-situ incubation, filtration and mass spectrometry on residue NO2_assimilation_SD_GF/FFilt The square root of the average of the squares of deviations about the mean of a set of values of the specified measurement. 2018-10-15 17:05:31.0 SDN:P01::NTRIASSD SDN:P01::NTRIASSD SDN:P01::NTRIASSD 4 4 2018-10-15 17:05:31.0 accepted false