Assertion: hydrogen | /r/HasProperty | purified by passage
Facets:
value: through hot palladium disks
type: MANNER
Source sentences:
text: These properties may be useful when hydrogen is purified by passage through hot palladium disks, but the gas's high solubility is a metallurgical problem, contributing to the embrittlement of many metals, complicating the design of pipelines and storage tanks.