Concentration standard deviation of chlorophyll-b {chl-b CAS 519-62-0} per unit dry weight of sediment by acetone extraction and high performance liquid chromatography (HPLC) ChlbContSD 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::CHBDHPXT SDN:P01::CHBDHPXT SDN:P01::CHBDHPXT 3 3 2018-10-15 17:05:31.0 accepted false