. . . . . . . . . . . . . "NormPO4upt_0.2-2um" . . "SDN:P01::NSPUIIPF" . . "Uptake rate of phosphate {PO43- CAS 14265-44-2} per hour per unit volume of the water body [particulate 0.2-2um phase] by isotope-labelled tracer addition, incubation at unspecified light level, cascade filtration and counting residue"@en . . . . . "accepted"@en . "Measurements made by isotope-doped short incubation experiment followed by counting of particulates collected on a 0.2um pore filter filtering water previously filtered by 2um pore filter. Light-level not specified by the parameter code. Rate normalised by dividing the total uptake by the incubation duration in hours."@en . . . . . . .