accepted
SD_NH4_ice_<GFF
SDN:P01::ICNHSD01
Concentration standard deviation of ammonium {NH4+ CAS 14798-03-9} per unit volume of the surface ice [dissolved plus reactive particulate <GF/F phase] by colorimetric autoanalysis
The square root of the average of the squares of deviations about the mean of a set of values of the specified measurement.