Assertion: gypsum's amount | /r/HasProperty | required for reaction
Facets:
Source sentences:
text: Thus, and firstly, in defining gauging volume no account is, or should be, taken of the amount of liquid required for reaction: sand from the beach has an associated gauging volume, as does dental porcelain powder – and there are no setting reactions there.
text: The amount of liquid required for reaction, the chemical process, is an entirely separate consideration.