| URI | 
          http://vocab.nerc.ac.uk/collection/S27/current/CS002877/ | 
        
        
          | Within Vocab | 
          BODC parameter semantic model chemical substances | 
        
        
        
          | Alternative Labels | 
          
            
              NO2-
            
           | 
        
        
        
          | Definition | 
          A polyatomic ion with the molecular formula NO2−. | 
        
        
          | Date | 
          2016-03-07T15:27:41 | 
        
        
        
          
            
              | Identifier | 
              SDN:S27::CS002877 | 
            
          
            
              | Note | 
              accepted | 
            
          
        
        
          
            
              | Has Current Version | 
              1 | 
            
          
        
        
        
        
          
            
              | version | 
              1 | 
            
          
            
              | inScheme | 
              http://vocab.nerc.ac.uk/scheme/EMODNET_CHEM/current/ | 
            
          
        
        
        
        
            
            | 
              Same As
             | 
			
				
						
							
								PubChem 
							 | 
							https://chem.nlm.nih.gov/chemidplus/rn/14797-65-0 | Mapping: 274044 | 
						
							
							
					
				
				
					
						
				
			
				
						
						    
							| 
						
							 | 
								OBO 
							 | 
							http://purl.obolibrary.org/obo/CHEBI_16301 | Mapping: 274051 | 
						
							
							
					
				
				
					
						
				
			
        
            
            | 
              Broader
             | 
			
				
					
					
                S01:S016 | 
                chemical entity | 
            Mapping: 1466970 | 
					
				
				
					
						
				
			
				
					
						
						| 
					
					
                 | P36:FERTIL | 
                N+P nutrients | 
            Mapping: 1751903 | 
					
				
				
					
						
				
			
        
            
            | 
              Narrower
             | 
			
				
					
					
						
							| 
                 | P01:NTRIKGD5 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit mass of the water body [dissolved plus reactive particulate <0.2um phase] by filtration and colorimetric autoanalysis | 
            Mapping: 852762 | 
						
					
						
							| 
                 | P01:NTRIKGD1 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit mass of the water body [dissolved plus reactive particulate <GF/F phase] by filtration and colorimetric autoanalysis | 
            Mapping: 853886 | 
						
					
						
							| 
                 | P01:NTRIKGD6 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit mass of the water body [dissolved plus reactive particulate phase] | 
            Mapping: 820638 | 
						
					
						
							| 
                 | P01:NTRIKGTX | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit mass of the water body [dissolved plus reactive particulate phase] by colorimetric autoanalysis | 
            Mapping: 852750 | 
						
					
						
							| 
                 | P01:MDMAP007 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit mass of the water body [unknown phase] | 
            Mapping: 853810 | 
						
					
						
							| 
                 | P01:NZTW0002 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of experiment water sample [dissolved plus reactive particulate <0.2um phase] | 
            Mapping: 853516 | 
						
					
						
							| 
                 | P01:CNIPW101 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the sediment pore water [dissolved plus reactive particulate <0.15um phase] | 
            Mapping: 1594548 | 
						
					
						
							| 
                 | P01:CNIPW001 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the sediment pore water [dissolved plus reactive particulate <0.2um phase] | 
            Mapping: 1274798 | 
						
					
						
							| 
                 | P01:ISMJUN06 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the sediment pore water [dissolved plus reactive particulate <0.4/0.45um phase] by centrifugal extraction, filtration and colorimetric autoanalysis | 
            Mapping: 853862 | 
						
					
						
							| 
                 | P01:NTRIPWD2 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} 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 | 
            Mapping: 853368 | 
						
					
						
							| 
                 | P01:NTRIISD2 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} 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 | 
            Mapping: 853394 | 
						
					
						
							| 
                 | P01:NTRIPWD1 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the sediment pore water [dissolved plus reactive particulate <GF/F phase] by extraction, filtration and colorimetric autoanalysis | 
            Mapping: 853480 | 
						
					
						
							| 
                 | P01:NTRIAADC | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the sediment pore water [dissolved plus reactive particulate phase] by centrifugal extraction and colorimetric autoanalysis | 
            Mapping: 853030 | 
						
					
						
							| 
                 | P01:NTRIAAD5 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <0.2um phase] by filtration and colorimetric autoanalysis | 
            Mapping: 852982 | 
						
					
						
							| 
                 | P01:NTRIAAD2 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <0.4/0.45um phase] by filtration and colorimetric autoanalysis | 
            Mapping: 853006 | 
						
					
						
							| 
                 | P01:NTRIMA12 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <1.2um phase] by filtration and manual colorimetric analysis | 
            Mapping: 853982 | 
						
					
						
							| 
                 | P01:NTRIAAD4 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <1um phase] by filtration and colorimetric autoanalysis | 
            Mapping: 852796 | 
						
					
						
							| 
                 | P01:NTRIAAD3 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <GF/C phase] by filtration and colorimetric autoanalysis | 
            Mapping: 853054 | 
						
					
						
							| 
                 | P01:NTRIAAD1 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <GF/F phase] by filtration and colorimetric autoanalysis | 
            Mapping: 853078 | 
						
					
						
							| 
                 | P01:NTRFSG01 | 
                Concentration of nitrite {NO2- CAS 14797-65-0} 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 | 
            Mapping: 852706 | 
						
					
						
							| 
                 | P01:NTRIXXDZ | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <unknown phase] | 
            Mapping: 852484 | 
						
					
						
							| 
                 | P01:NTRIAADZ | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <unknown phase] by filtration and colorimetric autoanalysis | 
            Mapping: 853322 | 
						
					
						
							| 
                 | P01:NO2FLTIC | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <unknown phase] by filtration and ion chromatography | 
            Mapping: 854016 | 
						
					
						
							| 
                 | P01:NTRIMADZ | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <unknown phase] by filtration and manual colorimetric analysis | 
            Mapping: 853970 | 
						
					
						
							| 
                 | P01:NTRIYYDZ | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate phase] | 
            Mapping: 852476 | 
						
					
						
							| 
                 | P01:NTRIAATX | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate phase] by colorimetric autoanalysis | 
            Mapping: 853112 | 
						
					
						
							| 
                 | P01:NO2UFLIC | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate phase] by ion chromatography | 
            Mapping: 854026 | 
						
					
						
							| 
                 | P01:NTRIMATX | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate phase] by manual colorimetric analysis | 
            Mapping: 853168 | 
						
					
						
							| 
                 | P01:NTRIZZXX | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [unknown phase] | 
            Mapping: 853234 | 
						
					
						
							| 
                 | P01:NTRIAAZX | 
                Concentration of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [unknown phase] by colorimetric autoanalysis | 
            Mapping: 852958 | 
						
					
						
							| 
                 | P01:SDNIKGD1 | 
                Concentration standard deviation of nitrite {NO2- CAS 14797-65-0} per unit mass of the water body [dissolved plus reactive particulate <GF/F phase] by filtration and colorimetric autoanalysis | 
            Mapping: 853926 | 
						
					
						
							| 
                 | P01:SDNIPWD1 | 
                Concentration standard deviation of nitrite {NO2- CAS 14797-65-0} per unit volume of the sediment pore water [dissolved plus reactive particulate <GF/F phase] by extraction, filtration and colorimetric autoanalysis | 
            Mapping: 853494 | 
						
					
						
							| 
                 | P01:NTRIASD5 | 
                Concentration standard deviation of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <0.2um phase] by filtration and colorimetric autoanalysis | 
            Mapping: 1580662 | 
						
					
						
							| 
                 | P01:SDNIAAD2 | 
                Concentration standard deviation of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <0.4/0.45um phase] by filtration and colorimetric autoanalysis | 
            Mapping: 852680 | 
						
					
						
							| 
                 | P01:NTRIAAE4 | 
                Concentration standard deviation of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <GF/C phase] by filtration and colorimetric autoanalysis | 
            Mapping: 1593048 | 
						
					
						
							| 
                 | P01:SDNIAAD1 | 
                Concentration standard deviation of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate <GF/F phase] by filtration and colorimetric autoanalysis | 
            Mapping: 853262 | 
						
					
						
							| 
                 | P01:NTRFSSD1 | 
                Concentration standard deviation of nitrite {NO2- CAS 14797-65-0} 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 | 
            Mapping: 852740 | 
						
					
						
							| 
                 | P01:NTSDAATX | 
                Concentration standard deviation of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate phase] by colorimetric autoanalysis | 
            Mapping: 853898 | 
						
					
						
							| 
                 | P01:NTSDAAZX | 
                Concentration standard deviation of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [unknown phase] by colorimetric autoanalysis | 
            Mapping: 853950 | 
						
					
						
							| 
                 | P01:SENIMATX | 
                Concentration standard error of nitrite {NO2- CAS 14797-65-0} per unit volume of the water body [dissolved plus reactive particulate phase] by manual colorimetric analysis | 
            Mapping: 853180 | 
						
					
						
							| 
                 | P01:NTRIASXX | 
                Uptake rate of nitrite {NO2- CAS 14797-65-0} per hour per unit volume of the water body [particulate >GF/F phase] by isotope-labelled tracer addition, in-vitro incubation on in-situ rig, filtration and mass spectrometry on residue | 
            Mapping: 1474830 | 
						
					
						
							| 
                 | P01:NIUPROP1 | 
                Uptake rate of nitrite {NO2- CAS 14797-65-0} per hour per unit volume of the water body [particulate >GF/F phase] by isotope-labelled tracer addition, on-deck incubation at simulated in-situ light level, filtration and mass spectrometry on residue | 
            Mapping: 886194 | 
						
					
						
							| 
                 | P01:NTRIASSD | 
                Uptake rate standard deviation of nitrite {NO2- CAS 14797-65-0} per hour per unit volume of the water body [particulate >GF/F phase] by isotope-labelled tracer addition, in-vitro incubation on in-situ rig, filtration and mass spectrometry on residue | 
            Mapping: 1474818 | 
						
					
						
							| 
                 | P01:NIUPRSD1 | 
                Uptake rate standard deviation of nitrite {NO2- CAS 14797-65-0} per hour per unit volume of the water body [particulate >GF/F phase] by isotope-labelled tracer addition, on-deck incubation at simulated in-situ light level, filtration and mass spectrometry on residue | 
            Mapping: 886182 |