Ventilation system - An Overview
The substrate Resolution was then saved at −twenty°C until finally the ammonium and nitrate contents were being analyzed Together with the San++ Constant-Circulation Analysator (Skalar Analytic GmbH, Erkelenz, Germany). Nitrate perseverance was based upon a reaction with hydrazinium sulfate, sulfanilamide and N-(1-naphthyl) ethylenediamine dihyd