Assertion: stationary phase | /r/MadeOf | a silica material
Facets:
value: often
type: TEMPORAL
Source sentences:
text: In liquid chromatography, the mixture of interest is dissolved in a liquid and passed through a solid stationary phase, which is often made of a silica material.
text: the mixture of interest is dissolved in a liquid and passed through a solid stationary phase, which is often made of a silica material.