. . . . . "SDN:P01::COCHSE22" . "Concentration of chlorophyll-a {chl-a CAS 479-61-8} per unit dry weight of sediment by acetone extraction and spectrophotometry"@en . . "The amount (mass or moles) of the specified analyte contained in unit mass of dried unsieved sediment, extracted in acetone, and analysed by high performance liquid chromatography."@en . . . . . "chl-a_DrySed_HPLC" . "accepted"@en . . . . . . . . . . . . . . . .