Conceptid (2) | Preflabel |
---|---|
NTRAAA05 | Concentration standard deviation of nitrate {NO3- CAS 14797-55-8} per unit volume of the water body [dissolved plus reactive particulate <0.4/0.45um phase] by filtration and colorimetric autoanalysis and correction for nitrite |
SDNZAAD2 | Concentration standard deviation of nitrate+nitrite {NO3+NO2} per unit volume of the water body [dissolved plus reactive particulate <0.4/0.45um phase] by filtration and colorimetric autoanalysis |