Problems with ammonia nitrogen analysis
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I have a silly question: Is the analysis of ammonia nitrogen in wastewater mainly focused on NH3 and NH4+? What form of ammonia is generally analyzed in cases of desorption or hydrolysis of wastewater?
What components are being desorbed? The hydrolysis of what substance? If it refers to ammonia alone, it is inorganic ammonia; if it refers to amines, then it is an amine – they are different types. The ammonia in ammonia nitrogen refers to the forms NH3/NH4 present in water; when the solution is strongly alkaline, it escapes in the form of NH3 ； When the solution is strongly acidic, it exists in the solution as NH4+ ions; when it is near neutral, both forms are present.