Assertion: pharmaceutical grade zinc sulfate | /r/HasProperty | produced
Facets:
value: by treating high purity zinc oxide
type: MANNER
Source sentences:
text: Pharmaceutical-grade zinc sulfate is produced by treating high-purity zinc oxide with sulfuric acid:
text: Pharmaceutical grade zinc sulfate is produced by treating high purity zinc oxide with sulfuric acid:
text: Pharmaceutical-grade zinc sulfate is produced by treating high-purity zinc oxide with sulfuric acid:
text: Pharmaceutical-grade zinc sulfate is produced by treating high-purity zinc oxide with sulfuric acid: