Assertion: potassium | /r/ObjectUse | used as the reductant
Facets:
value: often
type: TEMPORAL
value: from their salts
type: OTHER
value: by the rieke method
type: OTHER
Source sentences:
text: Because it can reduce the salts to the metal, potassium is often used as the reductant in the preparation of finely divided metals from their salts by the Rieke method.
text: Because it can reduce the salts to the metal, potassium is often used as the reductant in the preparation of finely divided metals from their salts by the Rieke method.