title: Spectrophotometric determination of nitrite.
mesh_terms: D000393:Air Pollutants / Q000032:analysis; D003124:Colorimetry / Q000379:methods; D006801:Humans; D009573:Nitrites / Q000032:analysis*; D012977:Sodium Nitrite / Q000032:analysis; D013053:Spectrophotometry / Q000379:methods*
chemical_list: D000393:Air Pollutants; D009573:Nitrites; D012977:Sodium Nitrite