Assertion: urea's nitrogen | /r/CapableOf | return to ammonia
Facets:
value: in waste
type: LOCATION
value: in water
type: LOCATION
value: in liquids
type: OTHER
value: via organic processes
type: MANNER
Source sentences:
text: Ammoniacal nitrogen (NH 3 -N) is a measure commonly used for testing the quantity of ammonium ions, derived naturally from ammonia, and returned to ammonia via organic processes, in water or waste liquids.