Assertion: potassium nitrate | /r/HasAspect | wide use
Facets:
value: as a fertilizer
type: PURPOSE
value: in fireworks
type: LOCATION
value: in explosives
type: LOCATION
Source sentences:
text: Other potassium compounds of economic value include potassium nitrate, also known as saltpetre, or nitre, KNO 3 , which has wide use as a fertilizer and in fireworks and explosives and has been used as a food preservative; potassium chromate, K 2 CrO 4 , which is employed in tanning leather and dyeing textiles; and potassium sulfate, K 2 SO 4 , which is used in the production of fertilizers and potassium alums.