Assertion: nitrogen dioxide's gas | /r/HasProperty | pure nitrogen dioxide
Facets:
value: essentially
type: DEGREE
Source sentences:
text: The gas is essentially pure nitrogen dioxide, which is condensed into dinitrogen tetroxide in a brine-cooled liquefier.[citation needed]
text: The gas is essentially pure nitrogen dioxide, which is condensed into dinitrogen tetroxide in a brine-cooled liquefier.[citation needed]