Are Ammonia (NH3) and Ammonium (NH4+) different substances?


Dokument-ID TE1930


Veröffentlichungsdatum 05.03.2019
Are Ammonia (NH3) and Ammonium (NH4+) different substances?
Amtax sc Measurements
Ammonia (NH3) and Ammonium (NH4) are in equilibrium when dissolved in water.  The proportion of NH3 and NH4+ in the sample will vary based on pressure, temperature and most importantly pH.  In basic solutions ammonia is the dominant species.  This is important to note when comparing to other instrumentation that may read as NH3 or NH3-N.


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