GC and GC/MS analysis The liquid CO2 flower extract and liquid CO2 fractions of concrete were analyzed by GC and GC/MS. GC analysis was carried out on a Shimadzu GC-17A Gas Chromatograph equipped with an FID and
GC and GC/MS analysisThe liquid CO2 flower extract and liquid CO2 fractions of concretewere analyzed by GC and GC/MS. GC analysis was carriedout on a Shimadzu GC-17A Gas Chromatograph equipped with anFID and