The substrate solution was then stored at −20°C right until the ammonium and nitrate contents had been analyzed Together with the San++ Constant-Stream Analysator (Skalar Analytic GmbH, Erkelenz, Germany). Nitrate determination was determined by a response with hydrazinium sulfate, sulfanilamide and N-(one-naphthyl) ethylenediamine dihydrochloride which ends up in the development https://yogie825uek8.wikitron.com/user