Assertion: phosphoric acid | /r/ObjectUse | used in industry
Facets:
value: as starting materials
type: MANNER
value: frequently
type: TEMPORAL
Source sentences:
text: Phosphoric acid and anhydrous sodium carbonate are frequently used in industry as starting materials for making sodium phosphates, especially condensed sodium phosphates, such as tetrasodium pyrophosphate and sodium tripolyphosphate.
text: Phosphoric acid is used in several industries.