Assertion: nitric acid | /r/HasProperty | key chemical
Facets:
value: in n-based fertilizers
type: LOCATION
Source sentences:
text: Nitric acid is manufactured from ammonia and is a key chemical in the manufacture of fertilizers.
text: Nitric acid is key component which is also a byproduct of Ammonia.
text: Nitric acid is a key ingredient in N-based fertilizers.