Assertion: l aspartic acid | /r/HasProperty | added in portion
Facets:
value: over a period of 35 minutes
type: TEMPORAL
Source sentences:
text: The solution was stirred at 0° to -5° for 1.5 hours, then L-aspartic acid (133 g.; 1.00 mole) was added, in portions, over a period of 35 minutes.