Concept information
PREFERRED TERM
gas and particle PCB 28 and PCB 31 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). PCB 28 and PCB 31 is a mixture of two compunds and belongs to the group of persistent organic pollutants known as polychlorinated biphenyls (PCBs).
BROADER CONCEPT
OBSERVATION MATRIX
OBSERVED PROPERTY
URI
https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlePCB28andPCB31massconcentration
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