Assertion: hydrate | /r/HasProperty | prepared
Facets:
value: by quenching an aqueous solution
type: MANNER
Source sentences:
text: Hydrates were prepared by quenching an aqueous solution containing 2.5% (vol/vol) methanol (enriched to 11% in 13C) at 77 K, grinding the solid to a fine powder at 77 K, and exposing the powder to 2.0 MPa of methane or 0.5 MPa of propane gas for about a week at 253 K.