Concept information
PREFERRED TERM
gas and particle PCB 99 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 99 is C12H5Cl5. It belongs to the group of persitent organic pollutants (POPs) known as polychlorinated biphenyls (PCBs). The IUPAC name is 2-chloronaphthalene
BROADER CONCEPT
OBSERVATION MATRIX
OBJECT OF INTEREST
OBSERVED PROPERTY
URI
https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlePCB99massconcentration
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