Assertion: magnesium carbonate's solubility | /r/CapableOf | drop below 1280 ppm
Facets:
value: at ph values above 9.2
type: OTHER
Source sentences:
text: The solubility of magnesium drops below 1280 ppm (natural seawater levels) at pH values above 9.2 (red line in graph), indicating that magnesium hydroxide precipitates above this pH.