gas phase
Observed Property
Observation Matrix
number concentration
Number concentration means number of molecule per unit volume, and is used in the construction molecular_concentration_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for propyne is C3H4. Propyne is a member of the group of hydrocarbons known as alkynes. The IUPAC name for propyne is prop-1-yne.
propyne number concentration
propyne
Object Of Interest
ACTRIS Vocabulary
trace gas variables
variable