Conceptid (2) | Preflabel |
---|---|
NTRAFSD1 | Concentration standard deviation of nitrate+nitrite {NO3+NO2} per unit volume of the water body [dissolved plus reactive particulate <GF/F phase] by filtration, sudan-1 synthesis, SPE extraction, HPLC purification and gas chromatography-mass spectrometry |
SDNZAAD1 | Concentration standard deviation of nitrate+nitrite {NO3+NO2} per unit volume of the water body [dissolved plus reactive particulate <GF/F phase] by filtration and colorimetric autoanalysis |