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WEF Discussion Forums » Laboratory Management and Technical Issues » Ammonia results as NH3-N

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Ammonia results as NH3-N
Lab newbie
Posted: Friday, October 29, 2010 10:15 AM
Joined: 10/29/2010
Posts: 1

Why are ammonia results reported as NH3-N or Ammonia-N? Thanks
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PHanners
Posted: Friday, November 5, 2010 9:03 AM
Joined: 11/5/2010
Posts: 2

NH3,NO2/NO3,TKN are all reported as N so that they can uniformly compared for relative N quantification

 
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Keith Chapman
Posted: Monday, November 8, 2010 5:59 PM
Joined: 10/2/2009
Posts: 35

It is ultimately to ensure that you are comparing apples to apples, or should I say, atoms to atoms.  17 grams of ammonia, NH3 and 101 grams of KNO3 both contain 14 grams of Nitrogen.  Also remember that a part per million in this case is milligrams of Stuff per liter volume of solution. 


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