Assertion: krypton | /r/HasProperty | obtained as byproduct
Facets:
value: from the liquefaction
type: OTHER
value: from separation of air
type: OTHER
Source sentences:
text: krypton is present to a small extent (about 1 ppm by volume) in the atmosphere and is obtained as a byproduct from the liquefaction and separation of air.
text: Kr atomic number is 36 krypton is present to a small extent (about 1 ppm by volume) in the atmosphere and is obtained as a byproduct from the liquefaction and separation of air.