Assertion: amorphous magnesium carbonate | /r/HasProperty | unstable
Facets:
value: upon hydration
type: TEMPORAL
value: previously
type: TEMPORAL
Source sentences:
text: Amorphous magnesium carbonates produced by high temperature thermal decomposition of hydromagnesite, nesquehonite, or magnesium ammonium carbonate double salt have previously been reported to be unstable upon hydration , .