Conceptid (2) | Preflabel |
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NTRZISD2 | Concentration of nitrate+nitrite {NO3+NO2} per unit volume of the sediment pore water [dissolved plus reactive particulate <0.4/0.45um phase] by in-situ pore water sampling, filtration and colorimetric autoanalysis |
NTRZPWD2 | Concentration of nitrate+nitrite {NO3+NO2} per unit volume of the sediment pore water [dissolved plus reactive particulate <0.4/0.45um phase] by extraction by squeezing, filtration and colorimetric autoanalysis |