ACTRIS Vocabulary
PCB 172
PCB 172 and PCB 197 mass concentration
Mass concentration means mass per unit volume and is used in the construction mass_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'. PCB 172 and PCB 197 is a mixture of two compunds and belongs to the group of persistent organic pollutants known as polychlorinated biphenyls (PCBs).
gaseous PCB 172 and PCB 197 mass concentration
PCB 197
gas phase
mass concentration
trace gas variables
variable
Observation Matrix
Object Of Interest
Observed Property