"Concentration of total mercury {total_Hg CAS 7439-97-6} per unit mass of lipids in the biota {Phocoena phocoena (ITIS: 180473: WoRMS 137117) [Sex: male Subcomponent: muscle tissue]}"@en . . "SDN:P01::WB000140" . "The concentration of the specified analyte in the specified organism or part thereof divided by the concentration of extractable lipids in the same sample."@en . .