Assertion: acrolein | /r/AtLocation | open beaker
Facets:
value: within a fume cupboard
type: LOCATION
Source sentences:
text: Water (720 mL at ambient temperature, about 20° C.) and acrolein (60 g; freshly distilled, plus hydroquinone added to 0.25% w/w) were placed in an open beaker, within a fume cupboard, and very vigorously stirred, mechanically.