Assertion: magnesium sulfate's magnesium | /r/ObjectUse | used for testing aggregates
Facets:
value: in accordance with astm c88 standard
type: OTHER
value: for soundness
type: PURPOSE
Source sentences:
text: Magnesium (or sodium) sulfate is also used for testing aggregates for soundness in accordance with ASTM C88 standard, when there are no service records of the material exposed to actual weathering conditions.