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variable group > gas and particle variables > gas and particle PCB 172 mass concentration

PREFERRED TERM

gas and particle PCB 172 mass concentration  

DEFINITION

  • 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. "Gas and particle" means a system consisting of both gas and suspended liquid or solid particles in air (except cloud droplets). The chmical formula for PCB 172 is C12H3Cl7. It belongs to the group of persitent organic pollutants (POPs) known as polychlorinated biphenyls (PCBs). The IUPAC name is 2,2',3,3',4,5,5'-Heptachlorobiphenyl

OBSERVATION MATRIX

OBJECT OF INTEREST

OBSERVED PROPERTY

URI

https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlePCB172massconcentration

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