title: [Determination of toxic cyanide ions in the waste water of the biological purifying plants in the district of Halle].
mesh_terms: D003486:Cyanides / Q000032:analysis*; D005859:Germany, East; D006801:Humans; D014876:Water Pollution / Q000032:analysis*; D014877:Water Pollution, Chemical / Q000032:analysis
chemical_list: D003486:Cyanides
vernacular_title: Zur Ermittlung toxischer Zyanidionen im Abwasser mechanischer und biologishcer Kläranlagen des Bezirkes Halle.