Assertion: chrome alum | /r/CapableOf | crystallize upon addition of potassium sulfate
Facets:
value: after precipitation of the ferrous sulfate
type: TEMPORAL
Source sentences:
text: Alternatively and less commonly, ferrochromium alloys can be dissolved in sulfuric acid and, after precipitation of the ferrous sulfate, the chrome alum crystallizes upon addition of potassium sulfate.