Enrichment standard deviation of nitrogen-15 {15N CAS 14390-96-6} {delta(15)N} in biota {Aglantha digitale (ITIS: 719178: WoRMS 117849)} by mass spectrometry SD_d15N_01_719178 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::D15NSD01 SDN:P01::D15NSD01 SDN:P01::D15NSD01 4 4 2018-10-15 17:05:31.0 accepted false