Concentration standard deviation of chlorophyll-a {chl-a CAS 479-61-8} per unit wet volume of sediment by acetone extraction and fluorometry chl-a_sediment_SD_fluor 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::SCSDFLTX SDN:P01::SCSDFLTX SDN:P01::SCSDFLTX 4 4 2018-10-15 17:05:31.0 accepted false