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Microchemical determination of organic nitrogen with Nessler reagent
Authors:G R Morrison
Affiliation:1. School of Civil Engineering, Engineering Campus, Universiti Sains Malaysia (USM), Nibong Tebal, Penang 14300, Malaysia;2. Faculty of Engineering and Technology, Department of Civil Engineering, Ladoke Akintola University of Technology, P.M.B. 4000, Ogbomoso, Nigeria;3. Solid Waste Management Cluster, Science and Engineering Research Center, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Penang, Malaysia;1. Department of Civil and Environmental Engineering, Michigan State University, USA;2. Department of Materials Science and Engineering, Massachusetts Institute of Technology, USA;1. Grousbeck Gene Therapy Center, Schepens Eye Research Institute, Mass Eye and Ear, Boston, MA, USA;2. Ocular Genomics Institute, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA;3. The Broad Institute of Harvard and MIT, Cambridge, MA, USA;4. Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA;1. Division of Infectious Diseases, Department of Internal Medicine II, University Hospital Freiburg, 79106 Freiburg, Germany;2. Faculty of Biology, Albert Ludwigs University of Freiburg, 79104 Freiburg, Germany;3. Institut für Hygiene und Mikrobiologie, Abteilung für Medizinische Mikrobiologie, Ruhr-Universität Bochum, D-44780 Bochum, Germany;1. School of Civil Engineering, Xi''an University of Architecture and Technology, Xi''an, 710055, China;2. Shaanxi Key Laboratory of Geotechnical and Underground Space Engineering (XAUAT), Xi''an, 710055, China;1. Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CIC-AEET), Nanjing University of Information Science &Technology, Nanjing, 210044, China;2. Department of Civil Engineering, University of Wollongong in Dubai, Dubai, United Arab Emirates;3. Department of Civil Engineering, Xi''an Jiaotong Liverpool University, Suzhou, Jiangsu, China
Abstract:A method is presented for the determination of as little as 0.02 μg of organic nitrogen using Nessler reagent solution with colorimetry. Details necessary for obtaining reproducible results are presented because several factors must be controlled carefully to avoid a decrease color development and/or turbidity of the final solution.
Keywords:
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