Conceptid (4) | Preflabel |
---|---|
CHESD012 | Concentration standard deviation of nitrate {NO3- CAS 14797-55-8} per unit volume of the water body [dissolved plus reactive particulate phase] by colorimetric autoanalysis and correction for nitrite |
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 |
NTRASD03 | Concentration standard deviation of nitrate {NO3- CAS 14797-55-8} per unit volume of the water body [dissolved plus reactive particulate <GF/F phase] by filtration and colorimetric autoanalysis and correction for nitrite |
NTRTSSD1 | Concentration standard deviation of nitrate {NO3- CAS 14797-55-8} 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 |