gas phase
C9-alkylbenzenes
Observed Property
C9-alkylbenzenes amount fraction
Amount fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. C9-alkylbenzenes are aromatics with 9 carbons, including the benzene ring (2 propylbenzenes, 3 ethyltoluenes, 3 trimethylbenzenes)
Observation Matrix
Object Of Interest
ACTRIS Vocabulary
trace gas variables
amount fraction
variable