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The substrate Remedy was then stored at −20°C until eventually the ammonium and nitrate contents were being analyzed With all the San++ Steady-Move Analysator (Skalar Analytic GmbH, Erkelenz, Germany). Nitrate dedication was according to a response with hydrazinium sulfate, sulfanilamide and N-(1-naphthyl) ethylenediamine dihydrochloride which e
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