Concept information
PREFERRED TERM
gaseous PCB 17 and PCB 18 number concentration
DEFINITION
- 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'. PCB 17 and PCB 18 is a mixture of two compunds and belongs to the group of persistent organic pollutants known as polychlorinated biphenyls (PCBs).
BROADER CONCEPT
ENTRY TERMS
- PCB 17 and PCB 18 number concentration
OBSERVATION MATRIX
OBSERVED PROPERTY
URI
https://vocabulary.actris.nilu.no/actris_vocab/PCB17andPCB18numberconcentration
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