Assertion: calcium carbonate's form | /r/HasProperty | prepared by precipitation
Facets:
value: at 60 °c
type: TEMPORAL
Source sentences:
text: The aragonite form can be prepared by precipitation at temperatures above 85 °C, the vaterite form can be prepared by precipitation at 60 °C.
text: The aragonite form can be prepared by precipitation at temperatures above 85 °C, the vaterite form can be prepared by precipitation at 60 °C.