gas phase
PCB 70
Observed Property
Observation Matrix
number concentration
Object Of Interest
ACTRIS Vocabulary
trace gas variables
PCB 70 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 chmical formula for PCB 70 is C12H6Cl4. It is a member of the group of persistent organic pollutants known as polychlorinated biphenyls (PCBs). The IUPAC name is 2,3',4',5-Tetrachlorobiphenyl
gaseous PCB 70 number concentration
variable