. . . . . . . . . . . . . "NormPUpt_>2um" . . . "SDN:P01::SNPURAPB" . . . . . "accepted"@en . "Measurements made by radiotracer doped constant light incubation at 100 uE/m2/s followed by counting of particulates collected on a 2um pore filter. Rates normalised by dividing total uptake by incubation duration in hours."@en . . "Uptake rate of phosphate {PO43- CAS 14265-44-2} per hour per unit volume of the water body [particulate >2um phase] by tracer doping, incubation at 100uE/m2/s light level, filtration and counting residue"@en . . . . . .