Assertion: phosphoric acid | /r/ObjectUse | used as an acid catalyst
Facets:
value: in making ethylene
type: TEMPORAL
value: as an analytical agent
type: MANNER
value: in the manufacture of chemicals
type: TEMPORAL
value: in extracting penicillin
type: TEMPORAL
Source sentences:
text: Phosphoric acid is used as an acid catalyst in making ethylene and purifying hydrogen peroxide, in the manufacture of chemicals (ethylbenzene, propylene, cumene), as a bonding agent for refractory bricks, in extracting penicillin and as an analytical agent.