"25-JUL-12" . "accepted" . "PTLXHPP1" . "2" . "Concentration of phaeophytin-like pigment per unit volume of the water body [particulate >GF/F phase] by filtration, acetone extraction and high performance liquid chromatography (HPLC)"@en . "2" . . "PTLXHPP1" . "HPLC" . . "The amount (mass or moles) of the specified pigment determined by HPLC assay of a sample collected by dissolution in acetone of the residue collected by GF/F filtration of a known volume of any water body." . "PTLXHPP1" .