Assertion: basic magnesium carbonate | /r/CapableOf | vary in chemical composition
Facets:
value: with each successive batch
type: TEMPORAL
Source sentences:
text: This rocess is open to objections in that the basic magnesium carbonate produced not only varies in chemical composition with each successive batch produced, but also does not exhibit the desirable properties of low density and high mechanical strength when molded and in a dry state.