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Methodology. Three sites : Alpnachersee , Chruxtrichter and Harbour. 3 groups : t0, Light and Dark Incubation of light and dark samples (4h) Winkler method Reagents : MnSO4, Alkaline I-N3 and H2SO4 Indicator : Sodium thiosulfate. Results.
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Methodology Three sites : Alpnachersee, Chruxtrichter and Harbour. 3 groups : t0, Light and Dark Incubation of light and dark samples (4h) Winkler method Reagents : MnSO4, Alkaline I-N3 and H2SO4 Indicator : Sodium thiosulfate