Assertion: gas's volume | /r/HasProperty | injected into the entranceheadof the column
Facets:
value: in a gc analysis
type: OTHER
Source sentences:
text: In a GC analysis, a known volume of gaseous or liquid analyte is injected into the "entrance" (head) of the column, usually using a microsyringe (or, solid phase microextraction fibers, or a gas source switching system).